Biology A2

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level * 2 3 0 8 9 6 9 9 7 3 * BIOLOGY Paper 5 Planning, Analysis and Evaluation Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black ink. You may use a pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions.At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. 9700/51 October/November 2011 1 hour 15 minutes For Examiner’s Use 1 2 Total This document consists of 8 printed pages. DC (CB (SE/DJ)) 34786/4  © UCLES 2011 [Turn over 2 1 Photosynthesis was investigated in a species of unicellular alga using the apparatus shown in Fig. 1. 1. suspension of unicellular algae in water For Examiner’s Use 10. 0 light of known wavelength oxygen probe magnetic stirrer Fig. 1. Two different strains of the species of alga were tested using a range of different wavelengths of light. †¢ †¢ Light of known wavelength was passed through the tube containing algae for two hours. The light transmission through the suspension and the oxygen concentration were then measured. light meter oxygen meter The results were used to plot the absorption spectrum and the action spectrum for each strain of alga. Fig. 1. 2 shows these spectra. strain A strain B absorbance absorption spectra 400 500 600 700 wavelength of light / nm rate of photosynthesis action spectra 400 500 600 700 wavelength of light / nm Fig. . 2  © UCLES 2011 9700/51/O/N/11 3 (a) (i) State the two dependent variables in this investigation. 1. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã ¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ 2. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. [2] (ii) Apart from temperature and pH, which have little effect, state two variables that should be standardised during this investigation. 1. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ . †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚ ¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. [2] (b) (i) Water with no suspended algae transmits 100% of the light. State how the data to plot the absorption spectrum was obtained. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. [1] (ii) State the data which would be used t o plot the action spectrum. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. [1] The photosynthetic pigments of the algae were extracted and were separated by two-way chromatography. The pigments were first separated by one solvent and then separated again by a second solvent at right angles to the first solvent. Fig. 1. 3. shows the results for the two different strains. strain A solvent front 1 4 3 2 direction of first solvent 1 origin 6 1 origin 5 3 2 6 strain B 5 solvent front 1 For Examiner’s Use solvent front 2 direction of second solvent Fig. . 3 solvent front 2 (c) Using the information in Fig. 1. 3, suggest why using two different solvents gives a better separation of these pigments than just using one solvent. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. [2]  © UCLES 2011 9700/51/O/N/11 [Turn over 4 (d) Outline a procedure that a student could use to extract the photosynthetic pigments and obtain these chromatograms. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚ ¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ 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[8] For Examiner’s Use UCLES 2011 9700/51/O/N/11 5 (e) Different photosynthetic pigments absorb different wavelengths of light. Table 1. 1 shows some information about the pigments, P, Q, R , S and T, found in these unicellular algae, including the wavelength of light at which maximum light absorption occurs. Table 1. 1 pigment wavelength of light / nm 620 545 and 547 420 and 660 490 430 and 645 Rf value solvent 1 0. 20 0. 60 0. 65 0. 91 0. 82 solvent 2 0. 89 0. 29 0. 11 0. 19 0. 92 For Examiner’s Use P Q R S T Rf = distance moved by pigment distance moved by solvent frontOne of the strains of algae lacks one of the pigments. Using the information in Table 1. 1, Fig. 1. 2 and Fig. 1. 3: (i) identify the strain of alga that lacks one of these pigments and state the letter of the missing pigment †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. [1] (ii) state the evidence that supports your answer to (i). †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢ € ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. [2] (iii) In water, the shorter the wavelength of light, the deeper it travels. Suggest why it is an advantage to have the pigment that you identified in (i). †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. [1] [Total: 20]  © UCLES 2011 9700/51/O/N/11 [Turn over 2 A student carried out some investigations into the inheritance of body colour and wing length in the fruit fly, Drosophila melanogaster, to test the hypothesis: The inheritance of body colour and wing length in fruit flies is controlled by two genes on separate chromosomes. The student carried out three genetic crosses. To carry out each cross the following procedure was used: †¢ †¢ â⠂¬ ¢ male and virgin female adult fruit flies were placed into a breeding unit containing a culture medium for their larvae after mating and egg laying, the adult fruit flies were removed newly emerged adult fruit flies were sexed by observing the shape of the last

Nicholas I

Tsar (Czar) was one of the many autocratic leaders that ruled Russia. He was part of an autocratic monarch. Which had officially made him a sole ruler and a sort of king. He would persuade people by saying to them that he had a Divine Right we meant that God made him the ruler. Uneducated people often believed that if they were poor or wealthy it was God that had chosen their lives. In 1825 Nicholas I had a revolt with a group of revolutionaries called the Dismembers, they were the people that wanted a constitution, which then meant that he Tsar had to obey rules.The Tsar being an autocrat hated this idea, he then revolted and crushed that revolt. The Tsar was proclaimed the â€Å"Gendarme of Europe†. The only theory that Nicholas had of a government was Nationality, Autocracy, and orthodoxy [religion]. Any discussion and belief on politics against Nicholas was banned, but some aristocrats met In secret to discuss about politics and If they were discovered they were either han ged or sent to Siberia. During all of that In 1848 Western Europe the industrial revolution had started, this had brought technology, and new weapons.In 1854 Nicholas I believed that Russia was one of the greatest countries in Europe, he then decided to invade Turkey since they were connected to the black sea and so they had an interesting port for trading. Also the Turkish Empire was in a decrease in power so it would be easy to win. The other countries such as France and Britain did not co-operate very well for this idea so they fought on the Turkish side. Knowing that France and Britain ere in there industrial revolution they had better warfare. At the end of the Crimean War Russia had lost. In 1855 Nicholas I died of Pneumonia.

Healthcare Management Essay

Executive Summary There are over 850,000 physicians practicing in the United States today, covering every imaginable specialty and sub-specialty (Young, Chaudhry, Rhyne, & Dugan, 2011). According to the World Health Organization (2000), even though our country spends more money per capita than any other country in the world, the USA ranks 37 out of the top 191 countries in the world in terms of overall health system performance. Although there are many reasons for this poor performance, several experts cite the lack of emphasis on primary care and true preventative medicine in the US (The Commonwealth Fund Commission on a High Performance Health System, 2011). This is a proposal to create a community ambulatory health center in a suburban community that would provide the setting for training family medicine residents. The establishment of such a center would allow a hospital to provide better primary care services to the uninsured and underinsured patients in its community. It may also help reduce unnecessary emergency room visits as well as hospital readmissions by providing quality care to these patients. A training program would also improve the hospital’s ability to recruit and retain actively admitting primary care physicians. The proposal discusses the process for choosing the center’s location, funding models, administrative structures, as well as staffing and architectural requirements. Strategy of Service Lines and Location As mentioned in the executive summary, it is well known that many communities in the US could benefit from increased access to primary care services (Commonwealth Fund Commission, 2011). Even within suburban communities that may appear seemingly affluent, there are often significant socioeconomically challenged populations. The parent hospital would have to conduct a SWOT analysis, to identify its strengths, weaknesses, opportunities, and threats (Longest & Darr, 2008). In this case, the presence of a family medicine residency program is a great strength, both in clinical and economic ways. Family medicine residents (and their faculty) are well versed in current, best standards of care. Graduate medical education often provides significant revenue streams, as described below. Up to four residents can work under the supervision of a single faculty  physician; often the number of patients seen in a residency clinic far exceeds that of a private office. Weaknesses include the presence of other residency clinics in the region, as well as difficulties recruiting quality residents to a new training program that has no established reputation. It can also be difficult to recruit and retain skilled and motivated faculty physicians for progams, as the compensation for such academic positions is often less than that of purely clinical posts. Threats to this proposal include changes in GME funding (external environment) and the possibility of the residency program losing its accreditation (internal and external environment). In scanning the external environment of the organization, it is possible to identify specific geographic locations that have significant numbers of uninsured/underinsured patients (but still within the hospital’s catchment area). It would also have to be convenient to public transportation, such as bus stops, subway stations, or railroad stations. Analysis of the various economic, political, demographic, and regulatory sectors would also identify the best time and location to create such a clinic. Significant forecasting would also have to confirm that the current external environment would not change in a way that would significantly worsen the chances for the clinic’s success. The creation of this new community health center would fall under the hospital’s directional strategy, as most hospital’s mission and vision statements include caring for the needy in their communities (Longest & Darr, 2008). Management and Personnel Structure Being a hospital-owned facility, a hospital administrator would be the senior manager / liaison; this would most likely be the Vice President for Ambulatory Affairs or Chief Medical Officer. The organization itself would have two chief administrators reporting to the hospital liaison; an Administrative Director (who would be the middle manager responsible for the overall management and vision of the center) and a Medical Director (who would be responsible for clinical activities, supervision, and initiatives). The Medical Director might well be the hospital’s department Chair of Family Medicine. The family medicine residency program would require a full-time physician serving as both Director of Medical Education and residency Program Director. The residency itself would have 24 residents.  In order to maintain an appropriate ratio of preceptors to trainees, there would need to be at least 4 full-time faculty attending physicians (American Osteopathic Association, 2011) An office supervisor (first-level manager) would be responsible for the day-to-day operations in the front (reception) and back (finance) portions of the office. In the front office, the practice would need 3 receptionists who would register patients upon their arrival and answer telephone calls. They would also verify patients’ insurance status. The back office would require 2 coders who would be responsible for verifying correct coding for practice visits, submit claims, and process payments from both patients and third-party payors. Another clerical staff member would be needed to process pre-authorizations and referrals (both incoming and outgoing). Finally, a charting person would be needed (even in an electronic medical record-equipped practice) to accommodate incoming paper / faxed documents. The middle (clinical) part of the office, would require 2 medical assistants who would be responsible for bringing patients from the waiting room into the appropriate area (exam room, laboratory, or procedure room) and triage them (taking and recording vital signs, documenting the chief complaint, and verifying medications and allergies). A registered nurse and licensed practical nurse would be needed to administer vaccinations and medications. Finally, a phlebotomist / lab assistant would be needed to perform venipuncture’s, prepare specimens, and perform CLIA-waived tests. The registered nurse would also serve as the Clinical Supervisor (first-level manager) for the clinical support staff. Funding Model Medicare is the primary formal financier of graduate medical education programs, contributing 72 percent of all tax-financed support. Other federal payors include Medicaid (11 percent), the U.S. Department of Veterans Affairs (10 percent), the U.S. Department of Defense (3 percent), and the Bureau of Health Professions (3 percent) (Young & Coffman, 1998). A teaching hospital will receive direct medical education (DME) payments cover the cost of resident and faculty stipends and benefits, and overhead costs that are directly related to the teaching programs, such as ambulatory  office space. Hospitals also receive funding for indirect medical education (IME) costs because teaching hospitals have more complex case mixes, more uninsured patients, and provided services that were costly but not necessarily well reimbursed, such as trauma centers and transplants units (Cymet & Chow, 2011). These payments are, on average, total $100,000 per resident per year. However, over the last 20 years, the federal government has either frozen GME funding or in some cases, reduced it significantly (especially under the Balanced Budget Act of 1997) (Phillips, et al., 2004). Currently, the family medicine residents in this proposal do result in a net gain for the hospital. With an average salary of $45,000 plus $20,000 in benefits, the hospital stands to net $35,000 per resident. For a program of 24 residents (8 in each year), the hospital would have a net income of $840,000 from Medicare GME funding. Each of the faculty physicians would have their own clinical practice (about 0.25 FTE), so they would bill Medicare and third-party payors for their services. They would have a productivity plan whereby each month they would receive 25% of their revenue after fulfilling their monthly salary/benefit costs. Physical Characteristics / Layout of the Facility Because of the educational nature of the practice (i.e. a residency teaching clinic), the physical layout of the facility has specific needs. In the front portion of the office, the waiting room needs to have ample seating to allow for extended wait times associated with teaching clinics. The waiting room would also have to be child-friendly, with easily disinfected toys (i.e. no stuffed animals). Because many potential patients will have to apply for Medicaid or hospital-based charity programs, it would be ideal to have an office (or at least a kiosk) where a financial coordinator could meet with patients in a private area. Since this would be a multi-specialty practice with dozens of residents and attending physicians, there would need to be a large number of exam rooms, perhaps 18, all with exam tables equipped with stirrups to accommodate pelvic exams, Pap smears, and STD testing. There would also need to be a large procedure room to accommodate the need for various gynecological (colposcopy, endometrial biopsy, IUD placement/removal, etc.) and other types of procedures (suturing, biopsies. etc.). The center would also have a spacious area dedicated to residents for  charting and research, as well as two precepting rooms where clinical cases can be discussed with faculty physicians. There would be a conference room equipped with a computer and LCD projector for presentations and discussions. Numerous computer workstations throughout the clinic would allow access to an electronic medical records system. One exam room could be equipped for videotaping that is used (with the patient’s permission) to observe residents as they demonstrate the core competencies while providing patient care. The center would need a laboratory for the collection and processing of blood and other specimens. In order to avoid the same stringent regulations and testing associate with a hospital or reference laboratory, the center would only perform CLIA-waived tests such as finger-stick blood glucose testing, throat cultures, and urine dipstick analysis (CDC and CMS, 2006). The building would al so ideally have offices for each of the faculty attending physicians, as well as for administrative and support staff. Clinical Practice As mentioned previously, this community health center would offer multiple specialties. The main service would be primary care. Family medicine residents, under the supervision of faculty preceptors, would provide general internal medical, pediatric, obstetric (pre- and post-natal), and gynecologic care to patients of all ages. Additionally, other specialty physicians would be available for special â€Å"clinics†: obstetrics (perinatal) and advanced gynecology twice a week, dermatology once a week, and general surgery, gastroenterology, pulmonology, cardiology, and urology once a month. These specialty services are essential in serving the needs of the target population: uninsured and underinsured (i.e. Medicaid) patients who are unable to see these specialists in private practice. Credentialing The Chair of Family Medicine is responsible for maintaining records of each attending physician’s credentials. These would include a New York State Medical License (with updated registration), DEA registration (to prescribe controlled substances), copies of medical school and residency diplomas, proof of board certification (and maintenance), records of continuing  medical education, and CPR/Advanced Cardiac Life Support training cards. The Director of Medical Education / Residency Program Director is responsible for maintaining records for each resident physician such as their medical school diplomas/transcripts, licensing examination transcripts, ACLS training, and signed residency contracts. Local zoning and legal concerns Consideration must be given as to the choice of commercial property for this ambulatory health center. The ideal location would be a pre-existing medical office building that has already been zoned for a medical practice, and has the required number of parking spaces (especially handicapped) and adequate access in and out of the building. A multi-level building must have elevators that are compliant with ADA (Americans with Disabilities Act) regulations. In County, a Certificate of Need must be granted before a new healthcare facility can be built. There are also village and town zoning ordinances that must be considered when modifying or creating a medical office building . The center would fall under the jurisdiction of the same regulatory bodies as that of its parent hospital, and would be setup as a not-for-profit organization, since a significant portion of its care would be uncompensated.

Religious Groups Essay Example | Topics and Well Written Essays - 250 words

Religious Groups - Essay Example In America, religion forms a much more part of public life regardless of what the constitution dictates. Several reasons can be attributed to this. The main reason is that the evangelical Christians in the banner of the moral majority created a determined drive to influence American political leaders. This, therefore, injected religion into American political debates. The influence of religious groups in American politics has not changed over time. This is because religion has always been and is still embroiled in the political life of Americans. As a result, American politicians manifest the obvious significance of religion in everyday lives of people. Religion should be paramount in politics. Even with its weaknesses on a human level, the society would be more chaotic than the way it is presently, without religion. This is so because people, who oppose religion, intend to continue committing sins and wish not to be opposed to them. It would, therefore, be a tragic and profound mistake to attempt to separate religion or God from anything, especially

Assessment of the environmental impact of Electric Vehicles Essay

Assessment of the environmental impact of Electric Vehicles - Essay Example Source: Shim et al, 2009, Electric car-Tesla Roadstar Structure and Layout of the two vehicle systems In an electric engine the numbers of components is fewer in number and are simpler in configuration. If one were to trace back the line of components starting from the tyres, the wheel axle connected to the tyres is driven by a motor. Similar to controlling speeds by regulating the quantity of fuel, the accelerator controls the voltage input into the motor which thereby controls the speed of the vehicle. The whole setup is powered by a battery and which can be charged from an external power source by simply plugging on to it. (Markel Tony, 2007) Compared to the IC engine which had power sources taken from the same shaft drive it is essential that power for operating the air conditioner and water pump are taken from individual separate motors. The battery should be connected to the motor using a controller so that large starting torques is avoided. (Electric and Plug-in Hybrid Vehicle s, 2010) This can also bring a certain amount of automation in the working of the motor in regulating speed and bringing forth forward or backward motion. It also protects the motors from being subjected to high loads. A number of batteries are arranged in two slots and must be capable of generating 300V DC. (Basic Electric Car Engine Overview, 1999) The Internal combustion on the other hand has a number of components that are required for its efficient working. A four stroke combustion cycle in an Internal Combustion engine follows the Otto Cycle. (Basic Electric Car Engine Overview, 1999) The combustion and the power thus generated takes place in an enclosed space. This cycle has four strokes which namely are 1. Intake stroke- As the piston contained in the engine begins its downward stroke, the inlet valve opens admitting fresh air that has been mixed with gasoline in a certain ratio, into the system. 2. Compression- The cylinder moves up and compresses the air thereby increasing both its density and temperature. 3. Combustion – A spark plug located at the top introduces a spark into this charged mixture. The leads to the downward motion of the piston creating the power stroke. 4. Exhaust- The piston moves back upward thereby expelling the burnt gases outside providing space for fresh intake. Electric vehicles and aerodynamics It is true that the number of components of an electric car is lower than a traditional car and the profile of the electric car can be readily modified to increase its aerodynamic efficiency. However a point of concern is the weight of the batteries that would otherwise increase drag and lower aerodynamic efficiency. By installing an effective nose grille at the front of the car, the air that remains stagnated in the frontal region of the car around the motor and gearbox is rerouted to flow past these areas and thereby reduce drag. The La Chevrolet Malibu has shutters in the lower grille region that are controlled electronicall y and automatically. (Industry, Research and Energy, 2010) As the speed of the vehicle increases the shutters close to allow the air at high speeds to flow past the vehicle. This reduces drag and also gives an impetus to the aerodynamic quality of the vehicle. Fuel efficiency is also increased. (Markel Tony, 2007) In the Honda Civic which has a Hybrid variant has aerodynamic hubcaps that are fixed to the rear end spoilers. This has lead to a reduction of aerodynamic drag from 0.3 to 0.27. The overall effect of

Zhang Yi Mou film-makers Movie Review Example | Topics and Well Written Essays - 1750 words

Zhang Yi Mou film-makers - Movie Review Example Let us overview some of the films of Zhang Yi Mou in order to find out what they are trying to show to the audience, and in the end try to see what similarities exist in his films and in the way the director presents them. The movie "Raise the Red Lantern", filmed in 1991, is one of the earliest works of Zhang Yi Mou, but nevertheless represents an astonishingly mature genre of melodrama. Indeed, while offering the audience rich and beautiful imagery, this picture is in essence a bitter story of Chinese sexual politics. That the films events take place in 1920s should not distract us from the fact that dangerous traditions may still be present in todays China as well. The movie begins as young Songlian after her father dies leaves college and becomes the fourth wife of Chen, a rich older man. However, this new life of Songlian is hardly a happy one because of a hostile atmosphere within her new family where each wife competes for preference from the side of their husband. Initially, Songlian attempts to win through in this contest, but the worth of the prise is hardly justified - it is the sexual attention of the husband, who himself is almost ignored by the camera. Power is distributed between wives b y the masters choice where to spend night, and the chosen wife may enjoy foot massage and the right to appoint menu for the next day. Here, we can understand the name of the film - according to an old tradition, red lanterns mark the place where the master wants to spend the night. Quite symbolically, if the master is absent lights go out as well as his attention to a wife. So, it is in this environment that Songlian attempts to outwit the ageing first wife, the apparently attentive second wife, and the secretive third wife. The faked pregnancy of Songlian temporarily endows her with power, but when the truth is uncovered the fate of Songlian is predetermined - her red lanterns are destined to remain dark. Finally, the girl becomes mad, and, ironically, the film ends with the arrival of the fifth wife. This plot is probably used by the director to indicate the ways in which we ourselves tolerate our own subjugation and ideological oppression, and this is true for people of different times, nationalities and positions. It is also quite indicative that "Raise the Red Lantern" was prohibited in China. "The Story of Qiu Ju", filmed in 1992, is another fascinating picture about a Chinese woman. The heroine of the film, an idealistic and obstinate peasant, strives for justice to be served after her husband gets hurt by the village authority. For Qiu Ju this incident is an extreme example of power abuse, so she can only be appeased by an apology, which she cannot obtain. In this situation, even despite being pregnant, Qiu Ju goes to town to settle her pressing issue with authorities there. But there she again fails to get satisfaction as all that she is offered is a financial settlement without recognition of guilt and public excuse. Then the woman carries her matter further to the city level, to the county level, until she reaches the capital authorities. Qiu Jus crusade against bureaucracy provides a comprehensive picture of modern China with its striking contrast between rural and city life. At the same time, the story of the peasant woman investigates different moral issues in a b ureaucratic society. However, above all stands the convincing and moving

Reaserch Paper on Othello the Moor of Venice, as a tragedy Research - 1

Reaserch on Othello the Moor of Venice, as a tragedy - Research Paper Example istotle’s concept of tragedy is based on a sum total of a few essential fundamentals that are a complex plot with a suitable beginning middle and the end, organic unity, appropriate length, the unities of time and place, apt relationship between the character and plot, goodness, consistency of characterization, hamartia, peripity, anagnorisis or discovery, feelings of pity and fear and catharsis.1 Based on the parameters as established by Aristotle for a worthy tragedy, William Shakespeare’s Othello, the Moor of Venice is an ideal Aristotelian tragedy. Othello is a specific tragedy of passion and to label it as an Aristotelian tragedy is certainly appropriate. Of all Shakespeare’s tragedies, Othello is the most painfully exciting and the most terrible. As one goes through it, one experiences the extremes of the feelings of pity, fear, sympathy, disgust, sickening hope and dreadful expectation. Othello, the Moor of Venice, could and should essentially be classified as a typical Aristotelian tragedy and Othello is the most worthy tragic hero of Shakespeare who satisfies almost all the credentials of a tragic hero as evinced by Aristotle. As one goes through the play Othello, one experiences the extremes of the feelings of pity, fear, sympathy, disgust, sickening hope and a dreadful expectation.2 Evil is displaced before the reader in such a way that one simply watches its progress in an awed and fascinated manner. A lot of factors contribute to the exciting and painful impact of this play as the conflict in Othello’s mind, the ensuing sexual jealousy, Desdemona’s humiliation and murder, the accompanying intrigue and so much.3 Besides, the role played by ‘accident’ in Othello produces not only a strong sense of the working of fate, but makes the play more terrible. In Othello, so many things happen by chance to aid Iago’s plot that one feels that his victims are also the victims of fate. Then there is the little comic relief in the guise of Iago’s

Kaizen Process Improvement Assignment Essay Example | Topics and Well Written Essays - 500 words

Kaizen Process Improvement Assignment - Essay Example ? Q3: In what ways did the team engage or not engage in Kaizen as the game progressed? We successfully identified some wastes and dealt with them. We were also constantly reflecting on our work for problems and incorporating changes throughout the process. We failed to evaluate the entire value stream though: the team should have identified the value that the product was supposed to generate for the ‘customer’. In this scenario, the goal was to have the most number of planes in the bucket, rather than quality of the planes. Thus, the first thing that the team should have argued on, before round three, was that the customer wanted quantity. It did not matter if the creases of the plane were fine enough, or the nose of the plane was sharp enough – ‘the customer’ wanted more planes in the bucket. There ended up being too much undelivered goods by way of wasted planes on the floor, rather than bucket. ? Q4: If we continued, what would your suggestions be for new process improvements for the team? Look at the entire value stream.

Structure & Strategies for success Coursework Example | Topics and Well Written Essays - 1000 words

Structure & Strategies for success - Coursework Example The matrix organization will use the teams of employees to accomplish the set work and take advantage of the strengths and make up for the weaknesses of functional and decentralized forms as we are providing more than one product and service. A strong or project matrix will be adopted where a project manager will be responsible for a particular product. Functional managers will provide technical expertise and assign resources as needed. The format used in the organization will ensure successful implementation of the organization’s purpose and function. The organization will be led by a Chief Executive Officer and will have seventy five employees. Under the executive officer will be the various departmental heads. The organization will have six major departments which include; Product Management, Information and Communications Technology, Research and Development, Sales and Marketing, Finance and Human Resources. Under product management each product and service will have a lin e manager and staff under him or her who will be in charge of all operations of the product from its development to the distribution to the customer. Each product or service will be handled as an independent item but may be combined for promotional purposes. The chief executive officer will oversee the overall implementation of the organizations goals and objectives. The chief product management will ensure that all products and services are developed to the satisfactory of the customer. The chief information and communications technology will handle the needs of the company as well as work in liaison with research and development department and product management in coming up with new products or improving existing ones. The chief research and development will ensure continued innovation of products and services and enhancement of existing products. Chief sales and marketing will be responsible for the marketing of the products and achievement of sales targets set. The chief financ e officer will be in charge of the organizations budget; revenue, costs and expenses while the chief human resources will be in charge of the personnel or work force. Organizational Structure CCC Marketing Strategies for success Strategy is the direction and scope of an organization over the long-term (Johnson & Scholes 17). The company’s strategic plan will help determine where the organization is going over the next five years. A goals-based planning will be undertaken and will focus on the organization’s mission, vision, values and goals and will be adopted by all departments to ensure success of the organization. Strategic planning will be conducted at least once a year to facilitate setting of goals in the coming year. Factors that will be considered in the strategies for success are the products, price, place, promotion, people, process and physical evidence. Products and Services The company is offering a wide range of products and services which include satel lite dish and broadband set up for home and business, IP phone set up, Pdq (credit card machine), satellite television and satellite networking. The products are functional as need for internet use is paramount and on the increase both from home and office. Cable television is also in high demand. Support after installations will be offered for the client and warranty for the equipment will also be given. Price and Place The products and serv

Gene Manipulation Essay Example | Topics and Well Written Essays - 2250 words

Gene Manipulation - Essay Example James Watson discovered the double helix structure of DNA. Due to which currently we have knowledge of our genes and thus makes it easier to manipulate them. Scientists already have made wonderful discoveries regarding how genes are related to diseases. Discovering the genes for cystic fibrosis as well as Huntington's disease are without a doubt important achievements, even though new treatments for both the disorders have not been discovered as yet. The discovery of the BRCA1 and BRCA2 genes of breast cancer were extraordinary accomplishments, even though they are responsible for less than 10 %of all kinds of breast cancer. Scientists will discover significant genetic associations with diseases in the next few years, some of which may eventuate in preventions or treatments that may reduce human suffering. whilst the identifying of for behavior genes are not quite understandable, there is little suspicion that scientific reports regarding new genetic tendencies or basis of behaviors will be a common occurrence in the up coming years . Furthermore, different kinds of genetic "alternative," from selection of sex to the traits of personalit y to better abilities might become obtainable by means of "gene therapy," which are also known as gene manipulation such as technologies or genetic reproductive or human cloning. This is only the beginning of the age of genetics. Genetic engineering means the human, and hence "artificial" (as in the sense of nature doesn't do this without our help), manipulation of genes. This may involve, as in the case of genetically modified foods, manipulating genes in individual organisms, one at a time. Of course, scientists do not sit there and place new genes by hand into every single potato. There are ways to do this in large batches at a time. But the expectation is that someday not too long from now we will place genes by hand, one at a time, into human fetuses or individual patients to correct deficiencies or replace "bad" genes that cause particular diseases. This sort of individual manipulation is what many people imagine when they hear the term genetic engineering. Genetic engineering is also commonly known as the manipulation of the gene pool, or the entire genes of every the individual in a population. New techniques have recently allowed fertility clinics to determine with a high statistical probability of success whether a fertilized egg is likely to be male or female. If a couple wants only females, perhaps because the parents carry genes that cause disease only in male offspring, then the clinic can pick out the females and implant only those in the mother. This is genetic engineering, the engineering of the genetic outcome of reproduction. Imagine that a clinic allows parents to choose the eggs or sperm that carry the "smartest" or "prettiest" or "strongest" genes and throw away the others. That is also genetic engineering. And it raises additional questions. What we tend to forget is that genetics is not everything. Genetics alone is not destiny, because development and the environment make a great difference in how genes are expressed. Parents of children with Down syndrome (also known as trisomy 21), for example, remind us that children with traits deemed to be a

Reading response Assignment Example | Topics and Well Written Essays - 250 words - 10

Reading response - Assignment Example headedness† and â€Å"handedness† the author notes how contemporary scholars in psychology have come up with various categories of intelligence, which provide better insight into what aptitude constitutes. These intelligence types include logical, musical, linguistic, spatial, bodily, interpersonal, and intrapersonal. These intelligence classes are not distinctive and most often individuals possess several in tandem. The second article titled â€Å"The Narrative Construction of Reality† by Bruner (2-21) denotes how extensive the focus on the manner through which human beings achieve true knowledge has been since time immemorial. According to the author, the quest for understanding this has brought about immense development in the field of psychology attempting to explain people’s acquisition of knowledge. The article emphasizes that the traditional explanations for knowledge were unilinear, either rationalist focusing on the mind’s internal power or empiricist on the ability to learn from externalities. The principle argument supported by the article is that man’s knowledge capacity is a combination of several factors and is neither strictly unilinear not logical. For this reason, individuals must not only strive to be rational, but also embrace symbolic external factors to gain knowledge. The final article â€Å"Science and Linguistics† by Whorf (69-70), begins by providing description of what the author refers to as "natural logic". This is a concept suggesting that every person beyond infancy talks and has deeply embedded ideas regarding speech and its connection to thinking. The author’s principal assertion is that thought and language are autonomous and that thinking is the same for virtually everyone, with the only slight distinction being in language. All of the articles point towards the psychology of learning, knowledge, or overall intelligence. These scholarly works also show that human intelligence cannot be considered to be as a result of

The Forgotten Genius of Norman Z. McLeod Essay Example for Free

The Forgotten Genius of Norman Z. McLeod Essay â€Å"He was a very nice guy and a fairly good director,† said Groucho Marx of comedy director Norman Z. McLeod, â€Å"but no genius. † Norman Zenos McLeod helmed three of the most popular comedy films of all time and yet his name is practically forgotten nowadays. He is not as famous today as, say, Howard Hawks, Preston Sturges or even Frank Capra. He didn’t win any Oscars, nor is he the subject of any film introspective or intimate biography. Neither is his directorial style discussed in any lengthy review by Roger Ebert or any other reputable authority on film. But McLeod’s name is up there with the other greats of his era and his legacy seemed to have endured in many of his movies. McLeod was born in Grayling, Michigan from a family that had no connections at all to show business. Before he discovered the movies, he spent two years fighting World War I in France as a fighter pilot in the US Army. McLeod became an animator before he even discovered that he could direct in the movies. He learned the comedy trade at the Christie Film Co. , which specialized in comedy shorts. His first full-length film was the 1928 silent film, Taking a Chance. McLeod was working for Paramount when he directed the Marx Brothers in two movies, Monkey Business and Horse Feathers, which today are considered two of the team’s best. Horse Feathers especially show the Marx Brothers at their wackiest and most anarchic. The material for the movie was based on the brothers’ stage act, which means that before it was ever brought to film it was already familiar stuff for its actors. They only had to transfer the action in front of the camera and on celluloid, so to speak. It is not easy to imagine anyone directing the incomparable Marx Brothers on stage and on film but McLeod did and he seemed to have done a very good job at it, too. Critics, however, are somewhat contemptuous of his abilities, calling him a Paramount â€Å"functionary† and â€Å"a specialist comedy director†. Matthew Coniam in his blog â€Å"The Marx Brothers: Council of Britain† said of McLeod: Norman Z. McLeod does not enjoy much of a reputation per se. He reminds me of that line in one of the Sherlock Holmes stories, where the great detective tells Watson: â€Å"Some people, without possessing genius, have a remarkable power of stimulating. † For a comedian’s director like McLeod, praise rarely comes any higher. After all, there’s something innately ludicrous about the notion of anybody actually directing the Marx Brothers or WC Fields. But both acts could make bad films, and certainly did when not properly handled. Meanwhile, Monkey Business, Horse Feathers and It’s a Gift (1933) have no business outside of anybody’s list of the twenty greatest comedies ever made, and all three have Norman McLeods name on the dotted line. What did he have that many of their other directors lacked? He didn’t try to impose his personality to the detriment of theirs and – a rarer gift than you might think – he obviously got all the jokes. (15) McLeod certainly got all the jokes. And one of them was that you don’t attempt to direct a great talent like the Marx Brothers you simply give them enough space to move and allow them to do their own wacky and hilarious stuff without interference. And that’s exactly what McLeod did in Horse Feathers. Horse Feathers makes no more sense than a Saturday Night Live episode. But the movie does revel in anarchy, reams of it, and elevates the non-sequitur as close to an art form as it can get. It is filled with Grouchos special brand of humor (e. g. , â€Å"Why don’t you go home to your wife? I’ll tell you what, I’ll go home to your wife and, outside of the improvement, she’ll never know the difference,†) and features the very popular song â€Å"Everyone Says I Love You†, which was sang in three different versions in the movie by Zeppo, Chico and Groucho. Harpo, of course, hummed a version of it in his ubiquitous harp. For most of the time, McLeod keeps the camera trained on his actors and then gets out of the way. He did manage some well staged moments in the finale, where the boys win the football match by driving a make-shift chariot on the track. Most importantly, McLeod kept the pace from flagging, even during the Zeppo sequences, (Zeppo as usual played the straight man to his brothers) with the result that there’s hardly a wasted moment in the film. The movie is also pure, unadulterated Marx Brothers without influence from anyone. It resembles a wide, open canvass where the figures of Groucho, Chico, Harpo and Zeppo moved in perfect synchrony, alert and pro-active to each other’s movement and dialogue. And McLeod’s ever-present camera never fails to capture this synchrony, nor the twitches in Groucho’s eyebrows when he utters a joke. The Swordfish scene, for example, is a master combination of both action and framing. It is easy for a director to intrude and even improvise on the scene to make it funnier but McLeod’s camera remained unobtrusive throughout, allowing the actors the liberty to shine and the audience full appreciation of the lively action on the screen. The camera never shifted from actor to actor but held steady on all the players, rather like a passive and mute witness even as the scene grew more hilarious by the minute. The style is reminiscent of a Bugs Bunny and Elmer Fudd confrontation scene, which is not surprising given McLeod’s animation background. The director doesn’t interfere with the scene but he instinctively knows when to move back or off as the case may be, which shows he knows the material than he is given credit for. McLeod understands that comedy is a sight gag. If you cut too soon or if you focus on the wrong person, the comedy will fall flat in seconds, which is why Groucho is given the full close-up treatment when he tells the audience they have a choice to leave the theater while Chico does his thing on the piano. McLeod employed the same technique in the pond scene where Groucho sings the third version of the song, â€Å"Everyone Says I Love You†. Any director worth his salt would have given Groucho the whole close-up treatment just to watch his changing expression as he sings to the college widow but McLeod did not, preferring to train his camera between his two players, wholly anticipating the audience’s reaction as the song’s rather racy lyrics is being sung to the diaphanous-gowned and seductively preening presence of the widow on the opposite end of the small canoe. At one point, McLeod’s camera also framed a duck to reinforce the joke then with a sly wink finally settled on a Life Savers candy which Groucho threw at the widow when she fell off the boat into the water. You can almost hear the uproarious laughter the gag must have elicited from the audience. For McLeod, a joke works best when it is supported by visuals caught mid-action by the camera. He employs this kind of visual style in the W. C. Fields movie, It’s a Gift, which he also directed. The story of a henpecked grocer who yearns to own an orange grove in California, W. C. Fields has never been put to better use than in It’s a Gift. The scene where a blind man wielding an unruly cane visits Fields’ store is already a classic. The scene piles visual gag upon visual gag, and ends in an uproarious yet heart pounding sequence of the same blind man crossing a street while police cars, ambulances and a fire truck raced around him on the suddenly busy intersection. Another scene of Fields attempting to sleep on his porch while things and people around him keep him from doing so is an amazing study of both talent and directorial marksmanship. Like his treatment with the Marx Brothers, McLeod didn’t even attempt to reign in the great W. C. Fields but he made sure that same enormous talent is ably supported by an ever increasing mania of visual sights and gags. The scene is priceless in both comic timing and visualization and the movie has often been cited as W. C. Field’s best and funniest picture, undoubtedly one of the greatest, classic comedies ever made. Maybe the reason why McLeod is overlooked by historians and film buffs is the fact that he never wrote any of his materials and his visuals were never fancy but were strictly utilitarian that served the purpose only of the scene at hand. He never experimented with angles or lightings but captured his subjects as they were, making their trademark shenanigans to elicit a laugh. McLeod also worked with the biggest talents and biggest egos in show business. In addition to other classics like It’s a Gift and Monkey Business, McLeod also directed Danny Kaye in the Secret Life of Walter Mitty, the story of another henpecked who escapes the misery of his life by imagining all sorts of exciting identities for himself. Another big talent directed by McLeod is Bob Hope, Mr. Showman himself, whom McLeod directed in The Paleface and Road to Rio. His association with the biggest names in Hollywood of his era could have been a disservice to McLeod. Certainly he knew his talents and he knew comedy and he combined both to perfect effect. But in the end, one doesn’t watch a Norman Z. McLeod movie starring the Marx Brothers or W. C. Fields or Danny Kaye, it was always the top talent first and the director second. In a sense, that was what McLeod did so well, to so totally efface himself that any movie he helmed turned out as a worthy vehicle for the top talent his studio has signed on to. Also, most of his films tapped perfectly into the commercial mood of their times, which is why they were usually popular then and are often forgotten today. Critics also point out that McLeod has very little visual style and seems more competent than inspired. As if his films happened all by themselves and he just happened to be there. He also happened to understand his role in making these movies. For a quiet and self-effacing man like this very unlikely director, that could have been high praise indeed. Work Cited Coniam, Matthew. The Z, incidentally, stands for ‘Zenos’. The Marx Brothers Council of Britain Page 15. 21 May 2009. Blogger. com. http://marxcouncil. blogspot. com/search/label/Norman%20Z. %20McLeod. 3 May 2010.

Lactose Intolerance: Causes, Types and Management

Lactose Intolerance: Causes, Types and Management Western scientists established by the 1940s that milk was good for you. As a glass of cows milk was set for everyone at the table doctors were receiving discouraging reports that some of the patients were not able to digest the milk. (Dunn, R. 2011) Lactose is a sugar found in milk and milk products. Lactose intolerance (LI) is the inability or inadequate ability to digest lactose. (Kennedy, K., 2010) Cells of the inner lumen of the small intestines, enterocytes, are covered with a membrane that has a brush border made up of microvilli. The microvilli produce lactase, the enzyme that splits and hydrolyze dietary lactose into glucose and galactose for transport across the cell membrane. Lactase is produced in the upper, most shallow section of the villi, which is easy to damage by secondary insult. Lactase breaks down lactose into two simpler forms of sugar called glucose and galactose, which are then absorbed into the bloodstream. (Thorn, A., 2010). If the lactase enzymes are lacking, unabsorbed sugars osmotically attract fluid into the bowel lumen. The amount of fluid influx into the bowel is about triple the normal amount, based on the osmolality of sugar alone. In addition, the unabsorbed lactose entering the colon is fermented by bacteria, producing gas and resulting in the cleavage of lactose into monosaccharides. Monosaccharides cannot be absorbed by the colonic mucosa; as a result, osmotic pressure increases, and fluid levels rise in the bowel. (Thorn, A., 2010). The result of the rising fluid levels would be in about 30 minutes to 2 hours you might experience flatulence, stomach cramps, nausea, bloating of the abdomen, and/or diarrhea. Symptoms may vary from person to person, and people can tolerate differing amounts of foods containing lactose. That is mainly why LI is a very misunderstood condition as there are no really positive criteria for diagnosis. (American Psychological Assoc. Lactose intolerance., 2005). 30 million US adults may be affected by lactose intolerance to some degree by age 20, older patients are predominantly susceptible. It is estimated that about 70% of the world population is affected by LIwith excessive variation among ethnicities and races. Some degree of LI is reported in up to 80% of African-Americans and Latinos, and almost 100% of Native Americans and Asian Americans. LI is least common in people of northern European descent (and is unlikely to develop before adulthood). Most mammalian babies, counting human infants, produce enough lactase to digest milk, including breast milk. This ability continues until the child is weaned. In humans, lactase activity descents at age 2 to 3 years and may cease completely by age 5 to 10. Worldwide, most humans lose 90% to 95% of birth lactase levels by early childhood, with a continuing decline during the course of a lifetime. This may help explain why many elderly people are affected by LI. (Thorn, A., 2010) Two of the main types of lactose malabsoption are primary and secondary. Primary lactase deficiency is the most common form. It is the normal, ongoing reduction in lactase enzyme that an ageing individual experiences, and the rate of decline is genetically determined. (Thorn, A. 2010). Researchers have identified a possible genetic link to primary lactase deficiency. Some people inherit a gene from their parents that makes it likely they will develop primary lactase deficiency. This discovery may be useful in developing future genetic tests to identify people at risk for lactose intolerance. (Matus, J., 2003). Secondary lactose malabsorption is normally temporary and occurs following a weakening of the mucous membrane of the small intestine (American Psychological Assoc. Lactose intolerance. 2005). The weakening can be caused by severe diarrhea, infection (eg, rotavirus), chemotherapy, or acute gastroenteritis. In these situations, lactase is the first enzyme to be harmfully affected and the last to return as the insult resolves. Secondary hypolactasia is transient and reversible. (Thorn, A., 2010). It can last from approximately one week to four weeks after recovery from a severe bout of gastrointestinal infection. (American Psychological Assoc. Lactose intolerance., 2005). Young babies (infants) and children suffering from such an infection or from malnutrition are particularly vulnerable to this secondary deficiency of lactose enzyme. Other causes could be coeliac disease, by an allergy to cows milk, by certain drugs (such as antibiotics) and by gastrointestinal surgery. (Matus, J., 2003). Infants born prematurely are more likely to have lactase deficiency because an infants lactase levels do not increase until the third trimester of pregnancy. (Matus, J. 2003, December). 50% of children will outgrow an allergy to milk protein by one year of age, 75% by two years and 90% by three years. Less than 1% of children suffer from a lifelong milk allergy. (Kennedy, K., 2010) LI is not considered life threatening, but its symptoms can severely affect a persons quality of life and productivity. In addition to ethnicity and age, the type and amount of lactose ingested and the amount that the patient is unable to digest all affect the severity of LI symptoms. (From the pharmacy, 2008) Not all people with lactase deficiency have digestive symptoms, but those who do may have LI. Most people with LI can tolerate some amount of lactose in their diet. LI can be difficult to diagnose by symptoms alone; physicians may need to run tests for proper diagnosis. There are two tests that doctors will usually use to measure the digestion of lactose. One is the Hydrogen Breath Test where the person drinks a lactose-loaded beverage and then the breath is examined at regular interludes to measure the amount of hydrogen. Undigested lactose produces high levels of hydrogen, normally; very little hydrogen is detectable in the breath. The second is a Stool Acidity Test. The stool acidity test is used for infants and young children to measure the amount of acid in the stool. Undigested lactose creates lactic acid and other fatty acids that can be discovered in a stool sample. Glucose may also be present in the stool as a result of undigested lactose. (NIH, 2009) Lactose is also used in some prescription medicines, including birth control pills, and over-the-counter medicines like products to treat stomach acid and gas. Usually only the people with severe LI will have symptoms caused by these medications. (From the pharmacy, 2008). People who suffer from LI should be concerned with getting enough calcium and vitamin D in their diet. Calcium is needed for strong bones, to prevent osteoporosis. There are many alternative foods and lactose free milk products available today to get the proper nutrients and calcium the body needs. Because lactose intolerance is unusual in infants and children younger than 2, a health professional should take special care in determining the cause of a childs digestive symptoms. (NIH Publication, 2009) Although the bodys ability to produce lactase cannot be changed, the symptoms of lactose intolerance can be managed with dietary changes. Slowly introducing small amounts of milk or milk products may help some people adapt to them with fewer symptoms. Most of the time people find they can tolerate milk or milk products better by taking them with meals. (Thorn, A. 2010) Israeli researchers did a study of 66 LI people and discovered that they got less than the 700 mg of calcium a day. That is almost half the recommended 1000 to 1200 mg for healthy bone building. When scans were done they were also found to have thinning bones and to be at risk for osteoporosis and fractures.(NIH, 2009) People, who even after switching their diet, are still having symptoms can take over-the-counter lactase enzyme drops or tablets. Taking a few drops of the liquid enzyme may make the milk products more tolerable to consume for people with LI. (From the pharmacy, 2008)

Water Rocket Dominant Modification Factors

Water Rocket Dominant Modification Factors Bryan Conston Water rockets tell the story of a wet launching period: the liftoff, height climax (apogee), and the momentous landing all are viewed at an observer’s glance. Of course, some â€Å"stories† come out to be more surprising and startling than others because of the ingredients. In a perfect physics world, about any rocket could soar to its maximum potential. Truly this is not the case for the real world, where wind and weather could mean the difference in a water-limited rocket’s success or failure. Water may leak out of the rocket. The bottle may explode suddenly due to hot air or the amount of pressure fixed in its frame. Though anything can hinder a rocket from it’s planned altitude, there are ways through applying water rocket knowledge to counteract it for good: adding modifications to the rocket. As the question was answered about whether modifications to a two-liter bottle would be beneficial to flight altitude—it is absolutely necessary—the real question springs forward: â€Å"What modifications can we use to a plastic bottle?† There are countless variables regarding water rocket propulsion, such as how much water should be applied. Necessity is the mother of invention for designing water rockets, so with basic adjustments to the bottle rocket, testing the improvement would be much easier. Still, though, some modifications may hurt the condition of the rocket. For several pieces of a water rocket design, nifty and thoroughly examined modifications of fins, nozzles, and the bottle itself will be a key factor in its success. In the livelihood of summer, water makes way for an awe-inspiring experience: water rocket launching. Feeding the excitement of several teachers, children, and parents, water rockets fascinate schools and colleges with its handy demonstration of physics. The process of constructing a water rocket requires a little more than a bottle, nozzle fins, and a creative mindset. However, most participating in the mechanism would hope to watch the rockets as they â€Å"send them skyward†, as water rocket enthusiast Barbara Wolcott encourages (screen 1). How does this specific journey of the rocket—its propulsion—take place? There are always things to consider about constructing a rocket, for with everything there is ways to improve the rocket’s condition. The pounds per square inch (PSI) should be a level pressure for the water to cooperate with Newton’s third law of opposite reaction, and the water needs to maintain a flow with the nozzleand so on. The launch depends on several variables and add-ons that would enhance the flight experience, such as nose cones. The most dominant components of the rocket launcher—the nozzles, fins, and bottle—act as a major collective force for influencing the rocket’s successful propulsion, protection, and flight height. One of the most dominant modifications that should be made to all rockets is the nozzle. Brad Calvert claims that a good nozzle produces rapid but brief acceleration, at times lasting â€Å"only a few hundredths of a second.† (Calvert 5). A nozzle is simply a mechanical device used for controlling the fluid of the water rocket to allow it to build launching energy. While we may need fins, a durable bottle, and a dependable launcher, a rocket without a nozzle is one that will cause excessive errors like leakages. Thrust, the rocket’s force of action between the water and the bottle, is generated primarily by the nozzle. Truly, the big factor is the nozzle type. Restricted nozzles provide longer flight duration, while an open neck nozzle allows it nearly any time to pressurize, thus creating a problem for some launching tubes.. Also, nozzles depend on length and diameter. For instance, a full bore bottle is the standard neck opening of a PET bottle that is 22 mm long. Oth er modified nozzles include a Gardena nozzle with quick connectors or a Maxi-Flo nozzle with a large aperture. With these nozzles, the propulsion depends on the nozzle size: larger nozzles run the risk of leakage, thus weakening any chance of a high altitude. A modified nozzle is an excellent start towards a high-quality rocket. Even a bare bottle can launch off, but countless avenues of error could easily tamper the flight as a whole. This because rockets follow the rules of aerodynamic stability. According to Brad Calvert, the stability of the water rocket depends on the next dominant factor: fins. With overly restricted nozzles, larger fins at the rocket’s rear â€Å"are required to counteract the turning forces created at the front† (Calvert 6). Without fins, the rocket cannot balance it’s weight end to end, ruining any chance at a successful air travel. Moreover, if the fins are to be the power of stability, then they must be used correctly. Once the fins’ drag is minimized, they do all the necessary flight work by giving the rocket a nice, straight flight (often the flight will fall nose down as well). Fins make for the most important modification as far as safety goes. Without them, the rocket could ricochet somewhere and cause bodily injury to bystanders. Fins come in many sizes and shapes, and light tape works great as an adhesive. The ultimate goal of fin construction is minimizing the drag they create by keeping them small and thin. Manilla folders, soft cardboard, and other sturdy materials would work for fins effectively. A cylindrical fin may be â€Å"the easiest way to achieve stability with a restricted nozzle rocket† (Calvert 7). Truly, the fins embody a powerhouse for the stability and convenience of a bottle rocket. The classification of the bottle is critical to the success of the flight also: determining the brand, weight, and dimensions play collectively among other factors to produce the greatest apogee. As water forces out of the rear, the rocket’s weight slowly decreases as a function of time. The air shoving the water forces both the water and air outside the nozzle and creates a force that is equal in magnitude but opposite in direction, propelling the rocket upwards. This would not work effectively without an evaluation of the weight. Adding weight should be a caution—the lower the rocket weight with a constant water supply, the better launch. Extra mass should be attached to precise areas (such as fins should be placed lower on a larger rocket) for a balanced center of mass. Lightweight adhesives should be applied, but no hot glue should be used as it rips through and softens the bottle’s plastic frame. Using additional water should be a concern as well.. As Leo Singleton put it in his Bottle Rocket Handbook, â€Å"water is thrust, but it also adds excess weight† (Singleton 16-17). Balancing between thrust and weight is the best option. Usually 50% of the rocket should be filled with water, regardless of dimensions. Most people would of course use a two liter bottle for a water rocket base. This brings a higher concern for the fins’ shape. A two liter bottle has a relatively small distance end to end but a relatively large diameter compared to other successful rocket bottles. It is often said that long and thin water rockets â€Å"are easier to make stable† than â€Å"short and fat ones† (Water- Rockets Science for Hobbyist, Students, and Teachers of All Ages 1). This would be explained through several simulations showing a trend in rocket length and apogee, with increasing length without other modifications. Usually, the water rocket length will be manpower for the flight height, bringing positive correlation to the rocket’s trajectory. Also, the bottle’s brand would need to be carefully observed. Several experiments from multiple expert rocket launchers, including research done at college sites, yield that generic bottles cause more excessive leaking than brand name bottles. Leakage greatly reduces flight command, and bottles like Dr. Thunder and Mountain Lightning were shown to leak heaps of water (sometimes to its entirety) due to a larger nozzle opening. It’s best to use bottles that are made to contain carbonated drinks, for other bottles are not made to cope with the pressure used. Broken bottles should never be used. They are easier to explode randomly, so making sure the bottle is firm to the touch and durable is a sure way to increase safety to launching. Undoubtedly, the main factors that would make or break a water rocket’s success would be the fins, the nozzle, and the bottle type. The fins act as a buffer for any unstableness and lower the chances of a crash-worthy bottle. Even more, the nozzle plays the role of controlling the ignition of the rocket. The dominator of the rocket—its bottle frame—is the basis for the concept of water rocket launching. For several water rocket enthusiasts, starting with these modifications would make the best of any experiment of water rocket propulsion and the physics behind it. Works Cited Calvert, Brad. Water Rocket Book. N.p., n.d. Web. 8 June 2014. Singleton IV, Leo C. Bottle Rocket Handbook. N.p., 2001. Web. 27 Jan. 2015. Welcome. Water-rockets Science for Hobbyist, Students, and Teachers of All Ages. N.p., 1997.  Web. 06 Feb. 2015. Wolcott, Barbara. ReadySetLaunch!! Scouting Magazine. Boy Scouts of America, 2006.  Web. 25 Jan. 2015.

Pygmalion Discussion Paper :: essays research papers

English  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Tyler Bliss Pygmalion Paper   Ã‚  Ã‚  Ã‚  Ã‚  The traits men want in our women can never and will never be attainable by any person, no matter who they are. For many years, love has been kind of a lost cause. Men might look for a woman that could satisfy their needs in the present, but they had no thought of what she might be like in the future. Male and female relationships in the myth Pygmalion, the book Pygmalion, and in â€Å"real† life have many similarities. All the men look for the most desirable traits in women, and sometimes we don’t always get what we want. But with those similarities, comes a few differences.   Ã‚  Ã‚  Ã‚  Ã‚  In the book, myth and in real life, the men aspire for traits in women that they could never have or aren’t worthy of. In the myth, the beauty of the goddess Aphrodite enchanted Pygmalion. And it was this enchantment that made him make the sculpture of her. In the book, Higgins wanted Eliza’s strength. In a weird way, he got what he wanted when she finally stood up to him. In real life, all men want traits in women that we think will suit our needs. We want to marry a woman that can meet all of our desires. Men from all different times and walks of life, dream of the woman that they want, but can never have. Perfection is unattainable, even in the stories passed down from generation to generation.   Ã‚  Ã‚  Ã‚  Ã‚  With the changing times, the men look for different traits in women. In the times of the myth, men probably looked for a woman that could cook, clean and mother his children. Where as, in the harsh times of the book, men probably looked for women that could be strong and loyal. Now, men all over the world look for women that are athletic, beautiful, and smart and have a unique attitude towards life. Men now a-days men still look for traits that the men long ago wanted in their women.   Ã‚  Ã‚  Ã‚  Ã‚  In all three examples, the men don’t really get what they want; instead they get what has always been in front of them. The may have to settle for â€Å"the next best thing†. In the myth, Pygmalion didn’t get to marry Aphrodite; instead he married his sculpture that was brought to life by Aphrodite.

The Metaphysics of Performance :: Theatre Science Papers

The Metaphysics of Performance Something extraordinary has happened to metaphysics. At the very moment when philosophy is focusing its efforts at bringing metaphysics to an ‘end,’ metaphysics finds itself flourishing in the theatre, which speaks of itself as ‘metaphysics-in-action’ and publishes treatises carrying such titles as The Act of Being: Toward a Theory of Acting. The irony of the situation appears to have been lost on postmodern philosophers. What this paper sets out to do is explore the potential consequences of the metaphysical weight that has been acquired by the theatre for the practice of philosophy. It argues that the theatrical performance is in fact an ‘enactment’ of the performance of being and that, as such, it is possible to extend our understanding of this performance from the theatrical stage to the ‘theatre of the world.’ Finally, in doing so, we can establish the context for a metaphysics that does not privilege presence. The world of the stage, of roles, masks, parts to play has been one of the most enduring ways of speaking about life and the world we live in. In fact, until four hundred years ago, the theatrum mundi metaphor was the dominant image in Western thinking. God was conceived on the analogy of a playwright who had created the script of the play that was being performed on the stage called the world. "All the world's a stage, / And all the men and women merely players ..." No sooner had Shakespeare penned these lines than the theatre metaphor was emptied of its metaphysical charge. In very short order, it found itself functioning under the aegis of a new and more powerful image of the world: "the book of the world." It was Galileo and Descartes who gave this metaphor its currency, which was to have far reaching consequences for the history of metaphysical thinking in the West. To engage the world as a stage is to find oneself articulating what is at bottom an inherently unstable view of the world. As anyone who is familiar with the theatre knows, if it takes a performance to bring a world to presence, then the intelligibility or meaning of what transpires cannot be guaranteed in advance. And, if God is conceived of in terms of being a playwright, then he faces the predicament that every playwright finds himself in. He is constrained to address the continuing instability that attaches itself to his creation by virtue of the fact that a performance intervenes between himself and what transpires onstage.

Behaviour of Fish in an Egyptian Tea Garden Commentary Essay

In the poem â€Å"Behaviour of Fish in an Egyptian Tea Garden† by Keith Douglas, a beautiful woman uses the power of seduction to attract many men. Douglas uses simile to describe the woman as a â€Å"white stone† while calling men different types of fish like â€Å"magnate, an important fish† and â€Å"flat-eyed fish†. Throughout the whole poem, Douglas seems to use the word â€Å"fish† many times. It seems he is describing the environment as an aquatic environment. Since it is third person limited, the reader does not know what the males are thinking, but using imagery the reader can know how they look at her and it is clear that the males are attracted to her. The poem contains seven stanzas with four lines in each stanza. It is a narrative poem because it has a plot about a beautiful woman trying to use her ways of seduction, but the men are too threatened of it and they soon run off. There is no rhyming scheme although there are some rhymes like â€Å"afternoon† and â€Å"spoon†. Each stanza does not have rhyming endings, only four out of seven stanzas have a rhyming scheme. An interested thing that the readers might notice is that each line has about nine or ten syllables. In stanza one, Douglas introduces the woman as a â€Å"white stone† and she â€Å"draws down the fish† (L.1). The first line describes the woman’s beauty and how it attracts the attention of all of the men in the room. The woman is most likely sitting and trying to look beautiful so all the men would want her. The woman â€Å"Draws down men’s glances and their cruel wish for love.† (Line 3) The woman is not doing anything and yet she has already done so much. Not only did she make the men look at her, but it seems they are also thinking about her and how they want to be with her. In stanza two, the reader learns about the woman’s way of seduction. â€Å"Slyly her red lip on the spoon/ slips in a morsel of the ice cream† (L.4, 5). Most men have a dirty mind, so when she put that spoon full of ice cream in her mouth, she got the men’s full attention. She is also wearing many different cosmetic accessories. She is wearing red lips stick and red nail polish while looking white or a â€Å"milky stone† (L.6). There is this one man in stanza three that seems to have a little bit more interest in the woman.†A cotton magnate, an important fish† seems to like her since he is looking from across. The man was going to walk out, but after seeing her one more time he decided to stay to watch her some more. The next man in stanza four is an old man described as a â€Å"crustacean old man† who is sitting near her. As he is there staring at her just like every other man, he tries not to stare anywhere else but her face. He â€Å"might see her charms through the fissures where the eyes should be or else his teeth will parted in a stare† (L.14-16). What the author is saying is that if the man looks below the neck region, his jaw will drop because of his perverted thoughts. A third man known as the â€Å"lean dark mackerel† tries to look as if he does not care too much about the woman. â€Å"The flat-eyed fish sucks on a straw, staring from its repose, laxly.†(L.19, 20) He is still attracted to her since he turned around to look at her, but he seemed calm and cool because he was resting and looking at her in a peaceful manner. In stanza six, they talk about a man who is stepping up and attempts to do what every man wants to do with her. Every man wants to be with her, but everyone is threatened. The man is â€Å"circling and passing near the white attraction.† (L.22) The man is trying to have to get the confidence to ask her out, but he never does. He was to afraid of what would happen so he never had the opportunity. Since the ice cream is now gone, the men don’t seem to be attracted to her anymore. â€Å"The fish swim off on business/ and she sits home alone at the table† (L.26, 27). Douglas is saying that the woman lost her power of seduction and she is no longer the attraction and every man has left since she is not as beautiful anymore. She is a â€Å"white stone/ useless except to a collector, a rich man.† (L. 27, 28) The quote means she is no longer the thing that the men are interested in and the only way she will get someone to be with her is if she becomes a trophy wif e. In the end of the poem, it comes to a sad end. The woman is lonely as the men go on with their busy lives. Throughout the whole poem, she was trying to use the power of seduction, but ended up teasing everyone away. As a reader, it comes to no surprise that she did not get anyone because being a tease is no way to get a man or a woman. Therefore, justice has been served as she ends up alone.

Narrative Essay Example

Narrative render Main character genie conniption douse Plot jewel is anchor There are four genies, which is Jinny, Winny, tawdry and Ninny, they are very good booster amplifier and they fill living in a forest c wholeed The Peaceful Forest. They resist in in that respect almost 100 years, alas they only can live two hundred years, but they never feel dark about that and they live happily. One day, a two has come to their place and come aparts them that there is a appreciate at heart the swamp which is behind the forest. He asks them to help him to astound the treasure and he will experience them a bottle of magic water supply that can help them to increase spirit as the reward. subsequently that, because the bottle of magic water only have one, so the genies started to convey self-importanceish and only conceptualize of self and try to watch the magic water. But, real the reproof are hypocrisy to them, he just neediness them to help him to get the treasure and he does not have any reward to give back down them. The four genies have a wide-eyed mind, so they do not think about the devil will lie to them, so they follow the devil to reveal the treasure and it blast about 2 days to r from each one there. In the pose of the journey, Jinny, Winny and Tinny started to have conflict because they wanted to drink the magic water and do not want to let an other(a)(prenominal) to steal.Then, the devil started to smile because he has prospering to provoke their relationship. Luckily, Niny, the leader of them which is lovely and kind, she started to tell them not to argue and try to take them but she failed because no one want to listen to her words. Few hours later, they reach the place, the devil is so exciting about the treasure that he have waited so long, so he c every(prenominal) them to help him alternate into the swamp to get it, but all of them are fighting because of the magic water. The devil cant stand it, so he goes there an d stop their fighting.When they all are pushing and pulling each other, the devil accidently felt into the swamp and he feel so painful because his failing is cannot touch the swamp. The four genies quickly project into it and try to save the devil, but it was likewise late, the devil has turn into ash. Unconsciously, Niny saw the treasure is floating on the swamp, so she take it and open it with the three other genies. After she opens it, they all smile to each other and hug each other because inside the treasure box, there was nothing inside. So, it gist everything that they argue was a waste of time, and wherefore they go back home and live happily just like before.

Nursing Theory Essay

Motivation theories includeAchievement- pauperization surmise Expectancy supposition Equity conjecture Motivation theories atomic number 18 derived predominantly from the live ofAbraham Maslow (a psychologist) Achievement- motif theory genuine by Focus Atkinson, McClelland, and Veroff Aspects of mortalality characteristics and proposes 3 forms of motivation/ drives in work situations ( get toment, hurtle-out, affiliation) Individuals argon not as relate with the rewards of achievement as they atomic number 18 with the material achievement areAchievement (high need achievement)Expectancy theory study ideal In 1964 Vroom decided to enlarge the concept of expectation, instrumentality & valency to motivation Expectancy is defined as instrumentality delimitates Valance is In Short, the Expectancy speculation states thatDeveloped by Victor Vroom in 1960s The effect of king and motivation on performance Performance = ability X motivation Performance = expectancy x instru mentality x valence The association between the act and the consequent of the action (action go out lead to achieve goal) The type of outcome derived b/c of an action (achievement of a goal result lead to reward)The value placed on the desirability of the outcome by the employee An several(prenominal) will act (performance) in a certain manner b/c there is an expectation (motivation) that the act will result in an outcome. Equity theory Developed by This theory attempts to describe Stacy Adams-a research psychologist The relationship in which an individual(a)istic give something (input) and in exchange receives something (outcome) Ex an individual expects that if he/she works steadfastly at a job (input), he/she will receive compensation or recognition (outcome) based on what he/she put inConcepts of position, em exp iodinentment, and change authority is The larger concept from which authority is derived reason is defined asInfluence wielded (used) by an individual or gro up of individuals to change behaviors & attitudes and to sway findings government agency isA formal right based on the managers position in the organization. A source of decriminalize male monarch 5 bases/sources of powerReward, coercive, legitimate, referent, and expert power Coercive, reward, & legitimate power are tump overed formal bases of powerReferent & expert power are mortalal bases of power Two other(prenominal) bases of power Informational power vs. charismatic powerInformational power is the power held by an individual who has the info necessary for others to accomplish a undertaking or goal Charismatic power is the power that attracts one individual to another Empowerment isThe transfer or delegacy of responsibility & authority from managers to employees empowerment is the manduction of power (sharing vision, mission, knowledge, expertise) Change be after Change TheoryCentral to Lewin theory A field Force gravel 2 forces ( crusade force vs. restrainin g forces) By Kurt Lewin (a German psychologist if u care ) The concepts of field and force Can be viewed as a arrangement (if one part of the system change, accordingly the whole system essential be examined to determine the effect of that change) cause force encourages/facilitates movement to a novel direction, goal, or outcome Restraining force ( foeman with driving force). Restraining forces block or impede ramp up toward the goal.Problem-Solving and purpose-making dish upes The Rational Decision-Making ModelInvolves a cognitive process where each step follows in a logical order from the one before. By cognitive, It means -based on thinking through with(predicate) and weighing up the alternatives to come up with the outflank potential result. Bounded sage decision-making model (Bounded perspicaciousity) Means that humanss are unable to apply entirely rational decision b/c of the limits of human mental abilities and b/c of the shape of external force on decision m aking.A decision maker is utter to exhibit bounded rationality when they consider fewer options than are actually available, or when they choose an option that is not the best overall but is best within the current circumstances. E. g. , someone spills coffee on a shirt in a restaurant, and goes next door and buys a disadvantageously fitting shirt to change into immediately. on the face of it it would be optimal to buy a proper fitting shirt. But if the soulfulness is in a hurry and cannot better a wet, coffee stained shirt, then buying the poorly fitting one is seize.This is an example of bounded rationality conclave Decision Making modelOften used when the decision is complex, such as when a sweet process or product is universe developed. Advantage the decision made may be higher quality Major errors may be avoided Disadvantage frivol away longer to reach decision whitethorn lead to compromises that really do not solve the problem Organizational denary Decision-Making Techniques Rely on facts & quantitative measures (data based) to make decisions (although intuition & judgment still puzzle out the decision making process) combat chargeCharacteristics of a departure situation Conflict Mode Model 2 types of response cooperativeness vs assertiveness Thomas & Kilmann (1974) 5 conflict-handling modes/strategies Thomas (1976) recommended that the FIRST COURSE of action is to discern (recognize) the other partys intent in causing the conflict before determining how to respond amenableness snap on statisfying the other souls concern Assertiveness focus on statisfying ones knowledge concern 1. Competing or forcing used when the foreshorten is important, needs speedy resolution .Ex. An individual pursues his own concerns at the other persons expense. This is a power-oriented mode in which you use whatever power seems appropriate to win your own position. (Assertive but uncooperative) 2. Accomodation opposite of competing. When accomodating t he individual neglects his own concerns to stisfy the concerns (assertive and cooperative) 3. Avoidance the person neither pursues his own concerns nor those of the other individual.