Biology for IGCSE & O level - Respiration (Section 2 - No. 26)
What is the role of oxygen in aerobic respiration?
It is a product of the reaction.
It is a reactant in the reaction.
It acts as an enzyme.
It is not involved in aerobic respiration.
Explanation
Oxygen is essential as the final electron acceptor in the electron transport chain, which occurs during aerobic respiration.
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