試卷名稱:107年 - 107-2 電路板製程工程師_當次試題:電路板製造概論#125675
年份:107年
科目:研究所、轉學考(插大)◆生物化學
33. Which one of the following descriptions is WRONG ?
(A) Caffeine is a trimethylxanthine
(B) Theobromine is the hypoxanthine derivative of cocoa
(C) Theophylline is a dimethylxanthine
(D) Theobromine and theophylline are similar but lack the methyl group at N-1 and at N-7, respectively
(E) None of them.