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3.1 Communicable diseases

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Question 88
F

Which statement describes an antigen?

[1]
A

A chemical released by a bacterium that damages the body cells

B

A protein on the surface of a pathogen that the body detects

C

A protein made by a white blood cell that binds to a pathogen

D

A white blood cell that engulfs and then digests a pathogen

Markscheme

3.1 Communicable diseases Questions

  1. GCSE
  2. /Biology
  3. /3.1 Communicable diseases

252 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.

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