Biology A-Level
constant region
What constant region means in Biology A-Level, as defined for AQA.
Definition of constant region
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Reference: AQA
The rest of the molecule, the same in all antibodies of a given class, which binds to receptors on phagocytes, marking the antigen-antibody complex for engulfment.
Topics that use constant region
- 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 constant region in the exam
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