63.於acetylcholine之生合成中,結構中choline部分是來自於下列何種胺基酸?
(A)alanine
(B)glycine
(C)serine
(D)valine
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統計: A(482), B(648), C(2259), D(268), E(0) #1376358
統計: A(482), B(648), C(2259), D(268), E(0) #1376358
