Refer to Figure 9.2, showing the citric acid cycle, as a guide to answer the following questions.

-During oxidative phosphorylation, H₂O is formed. Where does the oxygen for the synthesis of the water come from?

Question

Refer to Figure 9.2, showing the citric acid cycle, as a guide to answer the following questions.
 
-During oxidative phosphorylation, H₂O is formed. Where does the oxygen for the synthesis of the water come from?

Quizplus · Accepted Answer

Molecular oxygen (O₂) is the source of the oxygen atoms used to form water during oxidative phosphorylation. It is the final electron acceptor in the electron transport chain, which ultimately leads to the formation of H₂O.