All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources
Example Questions
Example Question #121 : Biochemistry
In comparison to anaerobic metabolism, aerobic metabolism of glucose produces __________.
Possible Answers:
less carbon dioxide
fewer protons for pumping in mitochondria
pyruvate
more ATP per glucose
more oxidized coenzymes
Correct answer:
more ATP per glucose
Explanation:
During aerobic metabolism, a single glucose molecule produces significantly more ATP molecules than during anaerobic metabolism. The exact number depends on a number of things, including the organism, cell type, and NADH shuttle. Aerobic metabolism of glucose produces more reduced coenzymes, which drop off their electrons at the electron transport chain in the mitochondria. Electron transport provides energy to pump protons from the mitochondrial matrix into the intermembrane space. Both processes produce pyruvate.
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All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources
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