Exam 3 Multiple Choice Questions answers

Exam 3 Multiple Choice Questions answers - Kaiser Imam...

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Kaiser Imam Current as of November 13, 2007 Biology 215 Exam 3 Review Practice Multiple Choice Questions 1. The energy transduction reactions of photosynthesis take place in the membranes of small sacs called A) Thylakoids B) Grana C) Photosystems D) Chloroplasts E) Inner membranes 2. During what stage of photosynthesis is O 2 produced? A) Photophosphorylation B) Carbon fixation C) The Krebs cycle D) The light-dependent reactions involving Photosystems I and II E) O 2 is not produced during photosynthesis 3. The pigment molecules responsible for photosynthesis are located in the A) Mitochondria B) Cytoplasm of the cell C) Stroma of the chloroplast D) Thylakoid membrane of the chloroplast E) All of the above 4. Which of the following is the correct sequence for the movement of electrons during the light- dependent reactions of plants? A) P680 P700 H 2 O NADP + B) H 2 O P700 NADP + P680 C) P700 P680 NADP + H 2 O D) P680 H 2 O P700 NADP + E) H 2 O P680 P700 NADP + 5. To reduce six molecules of carbon dioxide to glucose via photosynthesis, how many molecules of NADPH and ATP are required? A) 6 NADPH and 6 ATP B) 12 NADPH and 12 ATP C) 12 NADPH and 18 ATP D) 18 NADPH and 12 ATP E) 24 NADPH and 18 ATP 6. Which of the following statements about the Calvin Cycle is false? A) The reactions of the Calvin Cycle occur in the stroma. B) Rubisco is the enzyme responsible for fixing CO2 in the Calvin Cycle. C) A glucose molecule is produced for every three “turns” of the cycle. D) The reaction is fueled by the ATP and NADPH produced in the light reactions. 1
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E) All of the above statements are true. 7. At the end of the day, the chloroplasts of a typical leaf cell will have large starch granules. The next morning, these granules have disappeared. Which of the following is the best explanation for this observation? A) The starch was used up by the Calvin Cycle. B) The starch was transported to non-photosynthetic tissues of the plant. C) The starch was used as an energy source in the leaf cell overnight. D) The starch dissolved in the dark. E) The starch has been transported to the mitochondrion for long-term storage. 8. Cooperation of the two photosystems is required for A) ATP synthesis B) Reduction of NADP + C) Cyclic photophosphorylation D) Oxidation of the reaction center of Photosystem I E) Generation of a proton motive force 9. In mechanism, photophosphorylation is most similar to A) Substrate-level phosphorylation B) Oxidative phosphorylation in cellular respiration C) The Calvin Cycle D) Carbon fixation E) Reduction of NADP+ 10. Colors of light most useful in photosynthesis are A) green, yellow, and orange B) red, white, and blue C) infrared, red, and yellow D) red, violet, and blue E) x-rays and gamma rays 11. The pigment molecules responsible for photosynthesis are located in the A) mitochondria B) cytoplasm of the cell C) stroma of the chloroplast D) thylakoid membrane of the chloroplast E)
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Exam 3 Multiple Choice Questions answers - Kaiser Imam...

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