Which of the following statements best describes the primary role played by oxygen in cellular respiration?
A) It yields energy in the form of ATP as it is passed down the electron transport chain.
B) It oxidizes glucose to form two molecules of pyruvate.
C) It serves as an acceptor for carbon, forming CO₂ in the citric acid cycle.
D) It serves as the final acceptor for electrons from the electron transport chain.

Question

Quizplus · Accepted Answer

Oxygen serves as the final acceptor of electrons in the electron transport chain, which is the last step of cellular respiration. This allows for the production of ATP, which is the primary goal of cellular respiration.

Which of the Following Statements Best Describes the Primary Role