CAPE Biology Unit 2 · 2008 (T&T) · Paper 2 · Question 6(a)
Compare HIV infection and dengue in terms of mode of transmission, onset of symptoms, and prevention of transmission.
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- 6(b)(i)Explain how HIV integrates and becomes a permanent part of the host cell in infected individuals.[4 marks]
- 6(b)(ii)Suggest one reason why integration into the host genome does not occur with the dengue virus.[1 mark]
- 6(c)Assess the validity of the statement that cancer is associated with changes in cell DNA, referring to two common causes of cancer.[4 marks]
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