Determine if the statement is true or false. Correct the statement if it is false: NADH and FAD are reduced in the initial events of the electron-transport chain.

• A. True. NADH and FAD are reduced in the initial events of the electron-transport chain.
• B. False. NAD⁺ and FAD are reduced in the final events of the electron-transport chain.
• C. False. NADH and FADH₂ are reduced in the initial events of the electron-transport chain.
• D. False. NADH and FADH₂ are oxidized in the initial events of the electron-transport chain.

Answer: (D)