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CAIE A-Level Biology 11.2.1 Antibody Molecular Structure and Functions

Practise identifying heavy and light chains, variable binding sites and disulfide bonds, then link complementary antigen binding to neutralisation, agglutination or opsonisation.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • identify two heavy and two light chains linked and stabilised by disulfide bonds
  • locate variable antigen-binding sites and explain complementary specificity
  • connect antibody–antigen binding with neutralisation, agglutination or opsonisation

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