本题目来源于试卷: Interaction & Interdependence C.7 Defence Against Disease，类别为 IB生物学
[单选题]
Antibodies are proteins that bind to antigens. Which cz3y )vbh(u/z nell expresses the j6a woz0a- 1qbp 53q(h6u+xg d 5xhbk u)8rkahgenes for antibuakhoh uwzp5- j0h83gx)db61(6 +qraq k axb5ody production?
A. Plasma B cells
B. Macrophages
C. Helper T cells
D. Red blood cells
参考答案: A
本题详细解析:
Choice A - Antibodies are glob; /a; mch2ase7w:zvxuular proteins synthesized by plasma B cells. The genes associated with antibody synthesi /eu;w 7azs ;2:vxmchas are expressed in plasma B cells.
Choice B - Macrophages do not synthesize antibodies and therefore do not express these genes. Macrophages are large phagocytic cells and present antigens to helper T cells.
Choice C - Helper T cells do not synthesize antibodies. They stimulate B cells to divide by mitosis to produce plasma B cells and memory B cells.
Choice D - Red blood cells do not have a nucleus and therefore do not have the genes for antibody synthesis.
| 
