Question
MIT OpenCourseWare, Fundamentals of Biology (Fall 2011), Respiration and Fermentation, Check Yourself Question 3. In an aerobic yeast cell, pyruvate is oxidized to acetyl-CoA. Complete three linked facts: (1) which cycle does acetyl-CoA enter, (2) what receives electrons from NADH, and (3) approximately how many ATP molecules per glucose are produced when these steps and glycolysis are counted together? Select one complete combination: A. Calvin cycle / an electron-transport-chain protein / about 18 ATP; B. Calvin cycle / oxygen / about 18 ATP; C. citric acid cycle / ATP synthase / about 32 ATP; D. citric acid cycle / an electron-transport-chain protein / about 32 ATP; E. electron transport chain / oxygen / about 32 ATP.
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This page answers MIT OpenCourseWare's 2011 Check Yourself Q3, a complete representative question on the screenshot's cellular-respiration topic. The screenshot fragment itself is not asserted to be the opening of MIT Q3. About 32 ATP is the keyed approximation for this item, not a fixed ATP yield measured in every yeast cell.