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 antige))a.3zlvuzyc 5dins 4 ns. Which celn6iji(0rtg-h l expresses the genes fon-r0h 6ig ijt(r antibody 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 globular proteins synthesized by plasma B cells. Txlvqqlgqeh 52r3 (:c,xyf8*c1e 1 enwhe genes associated with antibody synthesis are expressxqql h1e8en*g, 2f 1w:qe(xcl3v5ry ced 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.
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