Viruses (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why do viruses need to infect host cells?
Why do viruses need to infect host cells?
To reproduce
What is the function of the protein coat in a virus?
What is the function of the protein coat in a virus?
Protects genetic material
Why are viruses described as non-living?
Why are viruses described as non-living?
They aren't cells
How do viruses bind to specific host cells?
How do viruses bind to specific host cells?
Complementary shape to receptors
What does a virus inject into the host cell during the lytic pathway?
What does a virus inject into the host cell during the lytic pathway?
DNA or RNA
What does the virus force the host cell to do in the lytic cycle?
What does the virus force the host cell to do in the lytic cycle?
Replicate viral DNA and make proteins
What is lysis?
What is lysis?
The host cell bursting
How quickly can norovirus complete the lytic cycle?
How quickly can norovirus complete the lytic cycle?
12 hours
What happens to viral DNA in the lysogenic pathway?
What happens to viral DNA in the lysogenic pathway?
Integrates into host DNA
What is the state of the virus during the lysogenic pathway?
What is the state of the virus during the lysogenic pathway?
Dormant
What can trigger a dormant virus to become active?
What can trigger a dormant virus to become active?
Stress or environmental changes
Which pathway does norovirus use?
Which pathway does norovirus use?
Lytic pathway