Biology 9700 · AS & A Level · Antibodies and vaccination

Antibodies and vaccination — practice question

What action does an antigen-activated B-lymphocyte carry out?

  • AIt attaches to the infected cell displaying the antigen and destroys it.
  • BIt divides repeatedly to form a clone of genetically identical plasma cells.
  • CIt engulfs the infected body cell which displays the antigen.
  • DIt secretes cytokines which stimulate T-lymphocytes to produce plasma cells.

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