問題詳情

10. Which one of the following immunoglobulins is the first antibody to appear in theresponse to initial exposure to an antigen?
(A) IgG
(B) IgA
(C) IgM
(D) IgY

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增