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Electron Carriers

APBIO-VVXGXH

Which of the following statements BEST explains why NADH produces more ATP per molecule than a molecule of FADH$_2$?

A

NADH carries its electrons to the first complex of the ETC at a higher energy level.

B

FADH$_2$ carries its electrons to the first complex of the ETC at a higher energy level.

C

NADH carries its electrons to the later (second) complex of the ETC at a higher energy level.

D

FADH$_2$ carries its electrons to the first complex in the ETC at a lower energy level.