問題詳情
67. The symptoms of severe combined immunodeficiency syndrome (SCID) are caused by a deficiencyof which of the following enzymes?
(A) adenine phosphoribosyltransferase
(B) HGPRT (hypoxanthine-guanine phosphoribosyltransferase)
(C) adenosine deaminase
(D) dihydrofolate reductase
(E) xanthine oxidase
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增