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5.3 Immune system and medicines

What is an antigen?

A

A cell that engulfs and digests invading microorganisms.

B

A protein made by a lymphocyte to destroy a pathogen.

C

A chemical released by bacteria to prevent antibody production.

D

A molecule on a pathogen recognised as foreign by the immune system.

5.3 Immune system and medicines Flashcards

  1. GCSE
  2. /Biology
  3. /5.3 Immune system and medicines

Flashcards for Edexcel GCSE Biology 5.3 Immune system and medicines, covering the key terms, definitions and processes you need to recall for Paper 1 and Paper 2. 25 cards drawn from 5.3.1 The specific immune system, 5.3.2 Response to immunisation, 5.3.3 Advantages and disadvantages of immunisation, 5.3.4 Antibiotics and bacterial infections, 5.3.5 Aseptic techniques in culturing, 5.3.6 Cross-sectional areas of cultures, 5.3.7 Stages of developing new medicines, and 5.3.8 Production of monoclonal antibodies, matched to the Edexcel GCSE Biology (1BI0) specification. Recall questions account for roughly 40% of marks at GCSE Biology, so these target the marks you can secure before the paper starts.