本题目来源于试卷: SL Topic C3.2 Defence against disease，类别为 IB生物学
[单选题]
2. Which of the followinhn +8ws (g-cs-r jvo/fg processes occur in B-cells on infe jc0x;d1,xs.f gour,j krdo91ction of a human by 0 joxg9 r1x d.ufro;1,j,dkcsa pathogen?
I They are activated by contact with a helper T-cell.
II They are activated by contact with an antigen.
III They can differentiate to produce antibodies.
IV They divide rapidly by mitosis.
A. I III and IV only
B. All of the above
C. I, II and III only
D. I and II only
参考答案: B
本题详细解析:
暂无
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