問題詳情
62. Stigmasterol, ergosterol, bile acids, vitamin D, cholesterol and share all the following commonfeatures EXCEPT
(A) four-ring structure.
(B) a carboxylic acid group.
(C) contain asymmetric structure.
(D) an extending carbon chain derived from the ring structure.
(E) a hydroxyl group on first ring.
(A) four-ring structure.
(B) a carboxylic acid group.
(C) contain asymmetric structure.
(D) an extending carbon chain derived from the ring structure.
(E) a hydroxyl group on first ring.
參考答案
無參考答案
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