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(2491), B(233), C(280), D(137), E(0) #3380691
統計: A(2491), B(233), C(280), D(137), E(0) #3380691
詳解 (共 7 筆)
#6542824
Ornithine → N-Methylpyrrolinium ion → Pyrrolidine
Aspartate + G3P → Quinolinic acid → Nicotinic acid → Pyridine
最後結合成 Nicotine
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