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In animal cells, which organelle is primarily responsible... | QuestionStock

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In animal cells, which organelle is primarily responsible for producing the majority of ATP used as cellular energy?

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Correct answer: A. Mitochondrion

Explanation: Mitochondria generate most of the cell's ATP through oxidative phosphorylation in the inner mitochondrial membrane.

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Created 2026-02-20T19:41:55.331Z. Updated 2026-02-20T19:41:55.331Z.