During aerobic respiration, which of the following directly donates electrons to the electron transport chain at the lowest energy level?
A)NAD⁺
B)NADH
C)ATP
D)ADP + ᵢ
E)FADH₂

Question

During aerobic respiration, which of the following directly donates electrons to the electron transport chain at the lowest energy level?
A)NAD⁺ 
B)NADH 
C)ATP 
D)ADP + ᵢ 
E)FADH₂

Quizplus · Accepted Answer

FADH₂ directly donates electrons to the electron transport chain at the lowest energy level, whereas NADH donates electrons at a higher energy level. ATP and ADP + Pi are not involved in electron transport.

During Aerobic Respiration, Which of the Following Directly Donates Electrons