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3.1 Communicable diseases

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Question 7
F

Why is it difficult to develop drugs that kill viruses without damaging the body's tissues?

[1]
A

Viruses have a thick cell wall that most drugs are unable to cross

B

Viruses divide far more quickly than new drugs can be developed

C

Viruses live outside body cells, where drugs are unable to reach them

D

Viruses reproduce inside body cells, so the drug damages those cells

Markscheme

3.1 Communicable diseases Questions

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

176 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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