ProblemSetIPhysBiochem2011

ProblemSetIPhysBiochem2011 - Physical Biochemistry. Bio...

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Unformatted text preview: Physical Biochemistry. Bio 3374 Problem Set I. Spring 2011. Problem set is due on Thursday, April 14, 2011 no later than 5 PM (Room 442). Please stop by Room 442 BLS if you have any questions. Please show all work for every question. 1. Some photosynthetic bacteria are able to harvest 900-nanometer light (4 points). A. What is the energy in kilocalories of a mole (an einstein) of 900-nanometer light? B. What is the minimum number of 900 nanometer photons needed to form one molecule of ATP from ADP and inorganic phosphate? Assume a G of 12 kilocalories per mole for the photo- phosphorylation reaction in bacteria. Hint: The question asks for the number of photons out of a mole of photons. Please show all calculations. 2. Describe the importance of the red drop/Emerson enhancement effect on the development of a workable model for photosynthetic electron transport in higher plants. 3. In the light reaction of photosynthesis, the capture of light energy results in the release and subsequent...
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