humoural response

    Cards (3)

    • what do helper T cells form?
      B cells and Cytotoxic T cells
    • describe the process of clonal selection
      helper cells bind to processed antigens and stimulate B cell to divide by mitosis to form a clone of identical B cells - they differentiate into memory / plasma cells
    • describe the humoural response
      1. surface antigens of an invading pathogen are taken up by a B cell and presented on the cell surface
      2. helper T cells bind to the presented antigen and stimulate the B cell to divide by mitosis
      3. plasma and memory cells formed - plasma cells produce antibodies
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