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3.2 Cells
Quick questions on Cell recognition and the immune system: antigens, lymphocytes and antibodies - AQA A-Level Biology
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the cellular response (T lymphocytes)?Show answer
T lymphocytes mature in the thymus and respond to antigens presented on body cells.
What is the humoral response (B lymphocytes)?Show answer
B lymphocytes respond to antigens in body fluids.
What is types of immunity?Show answer
Active immunity means your own cells make the antibodies; it is long-lasting. Passive immunity means antibodies are given to you; it is immediate but temporary.
What is q1?Show answer
Describe the stages of phagocytosis. [4 marks]
What is q2?Show answer
Explain why the secondary immune response is faster than the primary response. [3 marks]
What is q3?Show answer
Explain why a monoclonal antibody binds to only one type of antigen. [2 marks]
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