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Why Is Oxygen Needed in Cellular Respiration

Question 55

Multiple Choice

Why is oxygen needed in cellular respiration?


A) Oxygen combines with ADP to create ATP.
B) Oxygen is the final electron acceptor in the electron transport chain.
C) Oxygen carries electrons from the citric acid cycle to the electron transport chain.
D) Fermentation in muscle cells relies upon oxygen as an electron acceptor.

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