試題詳解

38. A poison that prevents the transfer of electrons from the last iron-sulfur cluster of Complex I to coenzyme Q is added to a suspension of actively respiring mitochondria. Which statement best describes the cffect seen?
(A) ATP production would be reduced as fewer protons would be pumped out of the mitochondrial matrix.
(B) ATP production would be severely impaired as this would completely block electron transport through the electron transport chain.
(C) ATP production would be impaired as this would uncouple oxidative phosphorylation from electron transport.
(D) This compound would have little to no effect on ATP production.
(E) None of above is correct.