問題詳情
14. Clonal selection implies that _________.
(A) brothers and sisters have similar immune responses
(B) antigens increase mitosis in specific lymphocytes
(C) only certain cells can produce interferon
(D) a B cell has multiple types of antigen receptors
(E) the body selects which antigens it will respond to
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