試題詳解

11. Which of the following statement about the mitochondrial electron transport chain is TRUE?
(A) Complex I transfers electrons from FADH2 to ubiquinone,
(B) The Q cycle mediated by Complex II reduces cytochrome c,
(C) A single catalytic cycle of Complex III transports four protons from the intermembrane space to the matrix,
(D) Complex IV uses electrons from cytochrome c to reduce O2 to H2O,
(E) Electrons move from more positive to more negative reduction potentials.