Antigens and antibodies
What Antigens and antibodies means in Biology GCSE, as defined for AQA.
Definitions of Antigens and antibodies
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Reference: AQA
Antigens from the pathogen are recognised as foreign, and white blood cells called lymphocytes produce antibodies that are specific to those antigens.
Antigens are on the pathogen surface, and antibodies are produced by lymphocytes and lock onto antigens.
Topics that use Antigens and antibodies
- Human defence systems (AQA GCSE)
- Vaccination (AQA GCSE)
Related terms
- Specific immune response
- Antibody production
- Herd immunity
- Immunity
- Immunity and vaccination
- immunological memory
- Memory cells
- Non-specific defences
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