試題詳解

6. In amino acid catabolism, the first reaction for many amino acids is a(n):
(A) decarboxylation requiring thiamine pyrophosphate (TPP).
(B) hydroxylation requiring NADPH and O₂.
(C) oxidative deamination requiring NAD⁺.
(D) reduction requiring pyridoxal phosphate (PLP).
(E) transamination requiring pyridoxal phosphate (PLP).