practice test 2

practice test 2 - BIO 101-01 Test II-Feb. 11, 2009 Name: _...

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BIO 101-01 Name: ___________________________________ Test II---Feb. 11, 2009 Part I. Multiple Choice. Indicate your answer ion the space provided. (2 pts. each) ___a___1. A photosystem consists of a. a group of chlorophyll molecules, all of which contribute excited electrons to the synthesis of ATP b. a pair of chlorophyll a molecules c. a group of chlorophyll molecules held together by proteins d. a group of chlorophyll molecules that funnels light energy toward a single chlorophyll b molecule ___d___2. Oxygen is produced during photosynthesis when a. the carbon is removed from carbon dioxide to make carbohydrates b. hydrogen from water is added to carbon dioxide to make carbohydrates c. water molecules are split to provide electrons for photosystem I d. water molecules are split to provide electrons for photosystem II ____c___3. The Calvin cycle begins when CO 2 reacts with a. phosphoenolpyruvate b. glyceraldehyde-3-phosphate c. ribulose bisphosphate d. phosphoglycerate e. oxaloacetate ____d___4. The reactions of ____________ take place within the cytoplasm of eukaryotic cells. a. glycolysis b. oxidation of pyruvate c. the citric acid cycle (Krebs cycle) d. the electron transport chain e. the Calvin cycle _____c__5. What does it mean when we say that plants “fix” CO 2 ? a. it acts as an electron acceptor b. it is released during aerobic respiration c. it becomes bonded to an organic molecule d. it is brought into leaves through stomata. _____d__6. Which of the following is part of the Krebs cycle? a. pyruvate b. glucose c. lactose d. oxaloacetate e. ribulose bisphosphate _____d__7. During glycolysis, the conversion of glucose to pyruvate is ____________ and glucose is __________. a. exergonic, reduced b. exergonic, oxidized c. endergonic, reduced d. endergonic, oxidized e. endergonic, and it does not change the oxidation state
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____e___8. Which of the following is not a part of photosystems? a.
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practice test 2 - BIO 101-01 Test II-Feb. 11, 2009 Name: _...

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