試卷名稱:109年 - 109 長庚大學_碩士班招生考試_生物醫學研究所碩士班:生物化學#125889
年份:109年
科目:研究所、轉學考(插大)◆生物化學
17. Oxaloacetate uniformly labeled with
(in other words, with equal amounts of
in each of its carbon atoms) is condensed with unlabeled acetyl-CoA. After a single pass through the citric acid cycle back to oxaloacetate, what fraction of the original radioactivity will be found in the oxaloacetate?
(A) All
(B) 1/2
(C) 1/3
(D) 1/4