[Campbell Biology P.235] Which molecule serves as the final electron acceptor in the electro... | Practice Question

Which molecule serves as the final electron acceptor in the electron transport chain during aerobic oxidative phosphorylation?

  • A: O2
  • B: Water
  • C: NAD+
  • D: Pyruvate

Explanation

In aerobic oxidative phosphorylation, oxygen O2 acts as the final electron acceptor at the end of the electron transport chain. It accepts electrons and protons H+ to form water H2O , a crucial step for maintaining the electron flow and ATP production.