Campbell Biology Chapter 10 Test Bank 82 Correctly Answered Questions Latest Update

Skill: Knowledge/Comprehension 23) Where are the molecules of the electron transport chain found in plant cells? A) thylakoid membranes of chloroplasts B) stroma of chloroplasts C) outer membrane of mitochondria D) matrix of mitochondria E) cytoplasm {Ans: Answer: A Topic: Concept 10.2}Skill: Knowledge/Comprehension 24) In photosynthetic cells, synthesis of ATP by the chemiosmotic mechanism occurs during A) photosynthesis only. B) respiration only. C) both photosynthesis and respiration. D) neither photosynthesis nor respiration. E) photorespiration only. {Ans: Answer: C Topic: Concept 10.2}Skill: Knowledge/Comprehension 58) Compared to C3 plants, C4 plants A) can continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations. B) have higher rates of photorespiration. C) do not use rubisco for carbon fixation. D) grow better under cool, moist conditions. E) make a four-carbon compound, oxaloacetate, which is then delivered to the citric acid cycle in mitochondria. {Ans: Answer: A Topic: Concept 10.4}Skill: Synthesis/Evaluation 31) Some photosynthetic bacteria (e.g., purple sulfur bacteria) have only photosystem I, whereas others (e.g., cyanobacteria) have both photosystem I and photosystem II. Which of the following might this observation imply? A) Photosystem II was selected against in some species. B) Photosynthesis with only photosystem I is