18.下列何者不是免疫系統產生許多變異性的機制?
(A)V{D}J gene rearrangement
(B)Gene deletion
(C)Class switching
(D)Somatic hypermutation
答案:登入後查看
統計: A(132), B(2400), C(311), D(371), E(0) #2183632
統計: A(132), B(2400), C(311), D(371), E(0) #2183632