12
QuizMultiple Choice

Unit Test — Unit test

Question 12 • 2026-2027 EDGE Human Anatomy and Physiology A

Which correctly lists the order of aerobic respiration from step one to step three?

Answer
e
electron transport chain, citric acid cycle, glycolysis
c
citric acid cycle, glycolysis, oxidative phosphorylation
g
glycolysis, citric acid cycle, electron transport chain
f
fermentation, glycolysis, electron transport chain

Explanation

Aerobic respiration begins with glycolysis, which splits glucose into smaller molecules in the cytoplasm. Next, the citric acid cycle processes those molecules and releases carbon dioxide. Finally, electrons pass through the electron transport chain, which drives oxidative phosphorylation to make most of the cell’s ATP. Therefore, the correct order is glycolysis, citric acid cycle, electron transport chain.

AI-written and checked against the verified answer.

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