<span>NADH and FADH2 are part of the Calvin cyle, so A and B are incorrect. I'm not sure, but I think that cytochrome C to oxygen has to do with cell division. The correct answer is D, the electrons are passed from reduced ubiquinone (QH2) to cytochrome, C, one at a time.</span>
Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
D is the answer hope this helps
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