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5.1 Health and communicable disease

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Question 32
H

A scientist measures bacterial cell lysis and detects viral DNA in the bacterial chromosome.

Which result provides the strongest evidence for a lysogenic pathway at the time of sampling?

[1]
A

extensive lysis and viral DNA absent from the host chromosome

B

no lysis and viral DNA present in the host chromosome

C

no lysis and viral DNA absent from the host chromosome

D

extensive lysis and viral DNA present only in free particles

Markscheme

5.1 Health and communicable disease Questions

  1. GCSE
  2. /Biology
  3. /5.1 Health and communicable disease

43 exam-style questions on Edexcel GCSE Biology 5.1 Health and communicable disease, covering 5.1.1 Communicable and non-communicable diseases, 5.1.2 Disease susceptibility interactions, 5.1.3 Pathogens as disease-causing organisms, 5.1.4 Common infections, 5.1.5 Spread and prevention of pathogens, 5.1.6 Lifecycle of a virus, and 5.1.7 Spread and prevention of STIs. Each one has a worked solution and a mark scheme showing where the marks go.

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