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C3.2.9—Clones of plasma cells Topic Practice

C3.2.9—Clones of plasma cells Topic Practice
IB Biology syllabusBiology SL/HLFirst assessment 2025

Practise how activated B cells multiply into clones of plasma cells and how those plasma cells support antibody-based immune responses.

How this is tested

  • distinguish clonal selection from antibody secretion by plasma cells
  • explain that activated B cells divide to form clones of plasma cells
  • state the role of plasma cells as secreting antibodies in an immune response
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