AP Biology Flashcards: Cellular Respiration

Study Cellular Respiration in AP Biology with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What role does oxygen play in cellular respiration?

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ANSWER

Final electron acceptor. Receives electrons from ETC, allowing electron flow to continue.

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What this deck covers

This deck focuses on Cellular Respiration, giving you a quick way to review the definitions, rules, and examples that matter most for AP Biology.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 20Practice questions for this set

In an experiment, isolated mitochondria are supplied with NADH and ADP + Pi. When oxygen is removed from the chamber, electrons can no longer be transferred to the final electron acceptor in the electron transport chain. As a result, proton pumping across the inner mitochondrial membrane decreases, reducing the proton-motive force that drives ATP synthase. The citric acid cycle enzymes remain present, but their ability to regenerate NAD+ depends on electron flow through the chain. No inhibitors of ATP synthase are added. Which outcome is most likely when oxygen is absent?

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