問題詳情
2. What causes a differentiating B cell to become committed to producing only one species of antibody molecule?
(A) DNA rearrangements in the genome
(B) RNA rearrangements in the genome
(C) protein rearrangements in the genome
(D) DNA rearrangements in the mitochondria
(E) RNA rearrangements in the mitochondria
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)