22. How is the energy from reduced coenzymes converted into ATP? A...

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22. How is the energy from reduced coenzymes converted into ATP? A. B. The CFoCF1 ATP synthase generates an electrochemical gradient The FoF1 ATP synthase an electrochemical C. The CFoCF1 ATP the of an synthase generates energy electrochemical gradient gradient D. The FoF1 ATP synthase uses uses the energy of an electrochemical gradient 23. What physically confers conformational changes in the FoF1 ATP Synthase catalytic domains? A. Proton movement through the a subunit B. Rotation of the C10 ring C. Rotation of the Y subunit D. Rotation of the E subunit 24. For the glycerol phosphate shuttle, which coenzyme is used to reoxidize glycerol-3-phosphate in the mitochondrion? A. FAD B. NAD+ C. NADP+ D. Coenzyme Q 25. Why does FADH2 generate less ATP than NADH? A. Complex I does not pump protons B. Complex II does not pump protons C. Complex III does not pump protons D. Complex IV does not pump protons 26. The absorption spectrum of a pigment describes (Select all that are correct): A. The wavelengths a pigment can absorb B. The wavelengths a pigment cannot absorb C. The wavelengths that a pigment reflects D. The wavelengths that can photoexcite an electron 27. Most light absorbed by a photosystem is absorbed by: A. P680 B. P700 C. Chlorophyll D. Antenna pigments 28. One difference between a photosystem and a light harvesting complex (LHC) is: A. A photosystem contains a reaction center, whereas a LHC does not B. A LHC contains a reaction center, whereas a photosystem does not C. A photosystem contains antenna pigments, whereas a LHC does not D. A LHC contains antenna pigments, whereas a photosystem does not 29. Energy captured by a LHC is transferred to a reaction center by: A. Resonance hybridization B. Resonance energy transfer C. Charge separation D. Electron transport 30. What is/are the product(s) of the oxygen evolving complex? Select all that are correct. A. H2O B. O2 C. Electrons D. Protons 31. P680 transferring an electron to pheophytin is an example of: A. Resonance hybridization B. Resonance energy transfer C. Charge separation D. Electron transport 32. Photoexcited electrons from P680 are ejected from the reaction center. Where do electrons that replace the ejected electron come from? A. Photosystem I B. Photosystem II C. Plastocyanin D. H2O 33. What is the flow of electrons during photosynthesis? A. H2O > PSI > QB > Cyt b6/f > PC > PSII > Fd > NADPH B. H2O > PSI > QB > Cyt b6/f: > PC > PSII > Fd > NADH C. H2O > PSII > QB > Cyt b6/f > PC > PSI > Fd > NADPH D. H2O > PSII > QB > Cyt b6/f: > PC > PSI > Fd > NADH 34. Which of the following electron carriers are mobile? Select ALL that are correct. A. QB B. CoQ C. Cytochrome C D. Plastocyanin 35. Which electron carriers transfer protons? Select ALL that are correct. A. QB B. CoQ C. Cytochrome C o D. Plastocyanin 36. What enzyme catalyzes the first step of the Calvin cycle? A. Phosphoglycerokinase B. Glyceraldehyde-3-phosphate dehydrogenase C. Rubisco D. Phosphoribulokinase 37. What molecule is combined with CO2 in the Calvin cycle? A. Oxaloacetate B. Ribulose-1,5-bisphosphate C. 1,3-bisphosphoglycerate D. Ribulose-5-phosphate 38. For every 3 CO2 that enter the Calvin cycle, how many molecules of glyceraldehyde-3-phosphate are recycled back into RuBP? A. 0 B. 1 C. 3 D. 5 39. If 1 NADH and 2 FADH2 transferred all of their electrons into a mitochondrial ETS, how many H+ would be pumped and approximately how many molecules of ATP would be produced? A. 22 H+ = 7 ATP B. 26 H+ = 8 ATP C. 70 H+ = 7 ATP D. 80 H+ = 8 ATP 40. How many photons are required to reduce 1 molecule of NADPH? A. 2 B. 4 C. 6 D. 8

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