2008_ps7q - with the organism Draw a diagram of this...

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Problem Set 7 – Oxidative Phosphorylation, Photosynthesis, Assimilation of CO 2 Oxidative Phosphorylation 1) Explain the purpose of O 2 in animal metabolism. 2) One night, while you were trudging through another round of tissue culture, you discover some raggedy cells. Upon (extremely close) examination, you find that in some of the mitochondria, the pH of the matrix is equal to the pH of the intermembrane. What do you think is physically responsible for this phenomenon? What is the effect of this mutation on ATP production? 3) The next day, your friend who works across the bay discover a type of single-cellular organism that does not have mitochondria, yet oxidative phosphorylation still takes place
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Unformatted text preview: with the organism. Draw a diagram of this amazing organism and indicate where the ATP synthase, freshly generated ATP, and oxidative phosphorylation complexes are located. 4) Describe the two consequences of a mutation where FMN is no longer present in the inner membrane of the mitochondria. Photosynthesis/Assimilation of CO 2 6) If a plant is grown in the presence of 14 C-labelled CO 2 , which C atoms of the resulting fructose-6-phosphate will emerge with the radioactive label after a single round of the Calvin Cycle? Which C atoms will be labeled after a second round of the cycle? In your answer, please show all intermediates along the pathway and their structures....
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This note was uploaded on 02/06/2009 for the course 7 7.05 taught by Professor Unknown during the Spring '09 term at MIT.

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