Question: Consider Complex I and Complex IV of the electron transport chain of mitochondria. Which of the f…

Consider Complex I and Complex IV of the electron transport
chain of mitochondria. Which of the following is true?

A) The electrons passed off by complex IV must have come from
the same source as the electrons passed off by Complex I.

B) The electrons given off by Complex I are of higher energy
that the electrons passed off by Complex IV.

C) Complex I passes its electrons to Complex II while Complex IV
passes its electrons from Complex III.

D) Complex I receives electrons from NADH or FADH2 while Complex
IV receives its electrons from Complex III

E) There is more than one true statement above.