Oxidative phosphorylation requires the transfer of electrons donated by NADH. (a) Is NADH imported directly into the

Question:

Oxidative phosphorylation requires the transfer of electrons donated by NADH.
(a) Is NADH imported directly into the mitochondria? Explain.
(b) Describe two import mechanisms that transfer cytosolic electrons from NADH into the mitochondrion.
(c) Why is it important to maintain a relatively constant level of cytosolic NAD+?