Which of these processes is responsible for generating the most ATP within cellular respiration? A. Glycolysis B. Krebs cycle C. The breakdown of glucose into pyruvic acid D. The electron transport chain

Biology · High School · Wed Jan 13 2021

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Correct answer is b (  the kreb cycle). 

Although some ATP is generated via the GTP derived from the Krebs cycle, most of the ATP generated during aerobic respiration comes from oxidative phosphorylation. The NADH and FADH generated during the Krebs cycle fuels the electron transport chain which drives this process, ultimately producing 38 molecules of ATP. 

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