Biology A-Level
complementary binding
What complementary binding means in Biology A-Level, as defined for AQA.
Definition of complementary binding
Check what you remember
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Reference: AQA
An antibody's binding site has a tertiary structure complementary to a specific antigen, so the two bind.
Topics that use complementary binding
- Cell recognition and the immune system (AQA A-Level)
Related terms
- active immunity
- agglutination
- animal use in production and testing
- antibody
- antigen
- antigen-antibody complex
- antigen-presenting cell
- antigens in vaccines
Using complementary binding in the exam
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