試卷名稱:111年 - 111 國立臺灣大學_碩士招生考試:免疫學(A)#125347
年份:111年
科目:研究所、轉學考(插大)◆免疫學
14. Which of the following is NOT a required step in B and T lymphocyte development?
(A) Proliferative expansion of precursor cells
(B) Cell surface expression of complete antigen receptor complexes
(C) Positive selection
(D) Activation of precursors by foreign antigens
(E) Pre-antigen receptor expression.