問題詳情

37. The Lesch-Nyhan syndrome is due to a severe deficiency of ?:

(A) PRPP

(B) ribonucleotide reductase

(C) xanthine oxidase

(D) HGPRT

(E) purine nucleoside phosphorylase

參考答案

答案：99

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中