1. 1 pt.) Which of the following would have the highest reduction potential? a.

Question

1. 1 pt.) Which of the following would have the highest reduction potential? a. QH2 b, cytochrome c c. Succinate 2. (1 pt.) The reoxidation of each NADH to NAD and each FADH2 to FAD in the electron transport chain yields 2.5 ATP and 1.5 ATP, respectively. Given this fact, calculate the amount of ATP generated upon the complete oxidation of one molecule of dihydroxyacetone phosphate (i.e., start at DHAP, and go all the way through oxidative phosphorylation). Assume the glycerol 3-phosphate shuttle is used 3. (1 pt.) With regards to mobile electron carriers, (where?), while is hydrophilic and carries electrons is lipophilic and carries electrons (where?). 4. (2 pts.) The to the (endergonic or exergonic) movement of protons from the (where?) (endergonic or exergonic) synthesis of ATP in oxidative (where?) drives the S. (1 pt.) In which conformation is ATP made in ATP synthase? 6. 1 pt.) Which type of molecules would affect both electron transport and ATP synthesis? a. Inhibitors b. Uncouplers C. Both d. Neither 7. (2 pts) Write the overall reaction for photosynthesis by completing the appropriate blanks +6 8. (1 pt.) ATP is synthesized in the of mitochondria, and in the of chloroplasts.

Explanation / Answer

1.b) cytochrome c

3. cytochrome c is hydrophilic and carries electrons to oxygen

ubiquinone is lipophilic and carries electrons to complex IV

5. F0F1 conformation

6. C Both

7. 6H2O+6CO2 ------> C6H12O6 + 6O2

8. inner membrane of mitochondria and thylakoid membrane of chloroplast

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