38.下列那一個胺基酸含有氫氧基(hydroxyl group)?
(A)tyrosine
(B)arginine
(C)leucine
(D)aspartate
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統計: A(353), B(132), C(79), D(107), E(0) #3388033
統計: A(353), B(132), C(79), D(107), E(0) #3388033