13. Which of the following amino acids serves as the donor of a methyl group in many transmethylation reactions?
(A) Aspartate
(B) Cysteine
(C) Methionine
(D) Lysine
(A) Aspartate
(B) Cysteine
(C) Methionine
(D) Lysine
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統計: A(0), B(1), C(5), D(1), E(0) #3331907
統計: A(0), B(1), C(5), D(1), E(0) #3331907