試題詳解

46. The ratio of NADP⁺/NADPH in liver runs about 1/67 which means that:
(A) it is similar to the ratio of NAD+/NADH.
(B) glucose-6-phosphate dehydrogenase will be turned on most of the time.
(C) glucose-6-phosphate is rate limiting for pentose phosphate pathway.
(D) glucose-6-phosphate preferentially goes to the pentose phosphate pathway.
(E) glucose-6-phosphate dehydrogenase activity is dependent upon use of some of the NADPH before activity increases.