問題詳情

21. Which one of following antigens is Tl-1 antigen?
(A) Bacterial lipopolysaccharide
(B) Dextran
(C) Diphtheria toxin
(D) Preumococcal polysaccharide
(E) Viral hemagglutinin.

參考答案

答案：99

統計：A:1,B:0,C:1,D:0,E:0

難度：計算中