Antibodies and Infection

Key Stage 4 Science / Biology

Sample Question

Which of the following statement best describes IgA?

  • It is the biggest antibody in the body
  • It is present in the body fluids, but in small amounts
  • It is found in the secretions of the internal organs
  • It is the smallest antibody and can pass through membranes
  • It needs a catalyst to be activated

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Quipper School UK Curriculum

Key Stage 4 Science