40.一個B細胞只能表現一種抗體之原因為何?
(A)Allelic exclusion
(B)Somatic hypermutation
(C)Class switch
(D)Epitope spreading
答案:登入後查看
統計: A(881), B(253), C(392), D(142), E(0) #2972714
統計: A(881), B(253), C(392), D(142), E(0) #2972714