21. The Generation of Biochemical Energy
The Citric Acid Cycle
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Practice this topic
- Multiple Choice
Which two steps of the citric acid cycle produce CO2?
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Which enzyme oxidizes α-ketoglutarate in step 4 of the citric acid cycle?
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Which one of the following enzymes catalyzes the addition of water to the C=C bond in fumarate?
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How many final high-energy molecules are produced in phase C of the citric acid cycle?
476views - Textbook Question
Look ahead to Figure 21.8 for the citric acid cycle.
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a. Draw the structures of the reactants in steps 3, 6, and 8, and indicate which hydrogen atoms are removed in these reactions.
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Why, do you suppose, the coenzyme for the reaction in the citric acid cycle that is catalyzed by succinate dehydrogenase is FAD and not NAD+?
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Identify the participants in the citric acid cycle that contain alcohol groups. Identify these groups as primary, secondary, or tertiary alcohols.
681views - Textbook Question
Which of the reactants in the citric acid cycle have two chiral carbon atoms?
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