What is the role of FMN in complex I?
A)Converts a two-electron transfer to a one-electron transfer.
B)Converts a one-electron transfer to a two-electron transfer.
C)Transports four H+ across the membrane.
D)None,there is no FMN in complex I.

Question

Quizplus · Accepted Answer

FMN (flavin mononucleotide) in complex I accepts two electrons and two protons from NADH, but it passes along only one electron at a time. This is accomplished by a series of redox reactions that convert the two-electron transfer into a one-electron transfer.

What Is the Role of FMN in Complex I