3
AssignmentMultiple Choice

Moving Cellular Material

Question 3 • Health Science Concepts A1 – EDGNTY-83861 26-27

Which of the stages of cell respiration produces most of the ATP?

Answer
A
glycolysis
B
citric acid cycle
C
electron transport chain and oxidative phosphorylation

Explanation

The electron transport chain and oxidative phosphorylation produce most of the ATP during cellular respiration. Energy carried by NADH and FADH₂ drives this process, which makes far more ATP than glycolysis or the citric acid cycle.

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