Which of the Following Statements Best Describes the Primary Role

Multiple Choice

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 oxidises 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.