GRE Subject Test: Biochemistry, Cell, and Molecular Biology : Other Metabolic Processes

Study concepts, example questions & explanations for GRE Subject Test: Biochemistry, Cell, and Molecular Biology

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Example Questions

Example Question #11 : Other Metabolic Processes

In comparison to anaerobic metabolism, aerobic metabolism of glucose produces __________.

Possible Answers:

more oxidized coenzymes

pyruvate

more ATP per glucose

less carbon dioxide

fewer protons for pumping in mitochondria

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.

All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources

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