60.下列何者不是nicotine生合成的前驅物?
(A)putrescine
(B)aspartic acid
(C)glyceraldehyde-3-phosphate
(D)ornithine
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統計: A(2769), B(261), C(309), D(146), E(0) #3380691
統計: A(2769), B(261), C(309), D(146), E(0) #3380691