HW5_2010_final

HW5_2010_final - APh161 Physical Biology of the Cell Homework 5 Due Date Friday “To do successful research you don’t need to know everything

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Unformatted text preview: APh161: Physical Biology of the Cell Homework 5 Due Date: Friday, February 26, 2010 “To do successful research, you don’t need to know everything. You just need to know of one thing that isn’t known.” – A. L. Schawlow 1. Photosynthesis: Your Turn. (a) Write a two-paragraph description of the nature of photosynthesis that would be appropriate for readers of “Scientific American”. Key points that you should touch upon include: relevance of photosynthesis to life on Earth and the mechanisms of photosynthesis. Your essay should be readable by an interested high-school student. (b) Make a syllabus for 5 lectures on photosynthesis. Your syllabus should say what topics you will cover. Make sure that this includes some statement of what estimates you would do, what experiments you would describe and what calculations you would do. Try to view this with a fresh perspective and don’t feel the need to do anything the same way that I did. This should be one paragraph or less. You are making a syllabus with bullets. (c) Experiments and photosynthesis. Give a brief description (1-paragraph maximum) of three experiments that have shed light on the nature of pho- tosynthesis. Make sure to say the concept of the experiment, how it was implemented and the nature of the resulting data. NOTE: this problem will be graded by Rob. You must submit this part of the problem by email to the three TAs and to Rob. 2. Respiration and Photosynthesis: A Feeling for the Macroscopic Numbers. Most of this problem was motivated by the outstanding book Guessti- mation by Lawrence Weinstein and John Adam. I highly recommend this book to all of you and believe strongly that even if you think estimates of this kind are “trivial”, they are well worth your time. Some of the most 1 important and interesting episodes in the history of science having involved estimates. Two of the most important are: i) when Newton estimated theestimates....
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HW5_2010_final - APh161 Physical Biology of the Cell Homework 5 Due Date Friday “To do successful research you don’t need to know everything

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