During aerobic respiration,which of the following directly donates electrons to the electron transport chain at the lowest energy level?

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FADH₂ directly donates electrons to the electron transport chain at the lowest energy level, as it has already passed electrons to the first part of the electron transport chain during the Krebs cycle. NADH also donates electrons to the electron transport chain at a higher energy level. ATP and ADP + ℗ᵢ are not electron carriers and do not directly donate electrons to the electron transport chain. NAD⁺ is not involved in donating electrons during aerobic respiration.

During Aerobic Respiration,which of the Following Directly Donates Electrons to the Electron