Multiple Choice
In a redox reaction occurring in cellular respiration, what is the final acceptor of electrons?
6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of redox reactions, what is the final electron acceptor in the electron-transport chain?
A
NAD+
B
Water
C
FAD
D
Oxygen
Verified step by step guidance1
Understand the concept of the electron transport chain (ETC): The ETC is a series of protein complexes located in the inner mitochondrial membrane that transfers electrons from electron donors to electron acceptors via redox reactions.
Identify the role of electron carriers: In the ETC, NADH and FADH2 donate electrons, which are passed through a series of complexes.
Recognize the final electron acceptor: In the ETC, the final electron acceptor is the molecule that receives electrons at the end of the chain.
Explain the role of oxygen: Oxygen is the final electron acceptor in the electron transport chain. It combines with electrons and protons to form water.
Summarize the importance of oxygen: Without oxygen as the final electron acceptor, the electron transport chain would halt, preventing ATP production through oxidative phosphorylation.
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