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MCAT Review: Biology

Review biology for this MCAT question with the key prompt clue, correct-answer reasoning, distractor checks, and sources to verify next.

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This question-specific review guide is tied to the answer reasoning for a PracticeTestVault item. Use it after you answer the question so the review stays focused on what the prompt actually tested.

What this question is testing

Objective: Biology

Prompt focus: Which process converts glucose into pyruvate in the cytoplasm and produces a small net yield of ATP?

Why the correct answer works

Glycolysis

Glycolysis converts glucose to pyruvate in the cytoplasm with a small net ATP yield.

Why the tempting wrong answer fails

The tempting wrong answer usually loses because it skips the key condition, priority, or evidence in the prompt.

Plain-language takeaway

Glycolysis occurs in the cytoplasm and breaks down one glucose molecule into two pyruvate molecules, producing a net gain of two ATP and two NADH.

Simple analogy

Think of biology like following a short checklist: identify the clue, confirm the rule, and then make the move that fits this exact scenario.

How to review it before a retake

  • Underline the command word and name what the question is asking before rereading the choices.
  • Compare the correct answer against the closest distractor and write the exact detail that separates them.
  • Retest this objective with a fresh question without looking at the rationale first.

Sources to verify next