B Lymphocytes and Antibody Production
Part of Adaptive Immunity and Antibodies · GCSE GCSE Biology revision
This deep dive covers B Lymphocytes and Antibody Production within Adaptive Immunity and Antibodies for GCSE Biology. Specific immune responses, antibody production, lymphocytes, memory cells It is section 3 of 15 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 15
Practice
23 questions
Recall
12 flashcards
B Lymphocytes and Antibody Production
B lymphocytes are a type of white blood cell that produces antibodies. Each B cell has surface receptors that recognise one specific antigen shape — like a lock that only one key can open.
The B lymphocyte response:
- Recognition: A B cell whose receptor shape matches the antigen binds to it
- Activation: The B cell becomes activated and divides rapidly (clonal expansion)
- Plasma cells: Most daughter cells become plasma cells — antibody factories that release thousands of antibodies per second
- Memory B cells: Some daughter cells become long-lived memory B cells that remain in the body for years
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Practice Questions for Adaptive Immunity and Antibodies
What are antigens?
Explain how lymphocytes produce antibodies to destroy a specific pathogen.
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