問題詳情
33. Severe combined immunodeficiency disease (SCID) is caused by deficiency of_______ .
(A) adenosine deaminase
(B) thymidine kinase
(C) xanthine oxidase
(D) DNA ligase
(E) hypoxanthine-guanine phosphoribosyltransferase
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增