What Is the Role of Oxygen in Respiration

question 15

Multiple Choice

What is the role of oxygen in respiration?

• A)It is formed from the oxidation of water at the beginning of the electron transport chain.
• B)It flows through the electron transport chain,losing energy.
• C)It is reduced at the end of the electron transport chain,forming water.
• D)It is necessary to obtain any ATP from glucose.
• E)It flows down its concentration gradient through an ATPase to produce ATP.

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