Retroviruses and Disease
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Questions and Answers

Which type of viruses encode the reverse transcriptase enzyme?

  • Lentiviruses
  • HIV-1 and HIV-2
  • HTLVI and HTLV-II
  • Oncoretroviruses (correct)
  • Which retroviruses are associated with human leukaemia's/lymphomas?

  • HTLVI and HTLV-II (correct)
  • Lentiviruses
  • HIV-1 and HIV-2
  • Oncoretroviruses
  • Which retrovirus is the major cause of AIDS worldwide?

  • Oncoretroviruses
  • HTLVI and HTLV-II
  • Lentiviruses
  • HIV-1 and HIV-2 (correct)
  • Which cells does HIV-1 attack and destroy?

    <p>CD4+ T-lymphocytes</p> Signup and view all the answers

    Which retroviral genes are mentioned in the text?

    <p>All of the above</p> Signup and view all the answers

    True or false: Retroviruses are enveloped (+) RNA viruses that encode the reverse transcriptase enzyme?

    <p>True</p> Signup and view all the answers

    True or false: Oncoretroviruses cause tumours in many animals?

    <p>True</p> Signup and view all the answers

    True or false: Lentiviruses cause a long clinical latency period in infected patients before causing disease?

    <p>True</p> Signup and view all the answers

    True or false: HIV-1 infects monocytes/macrophages, dendritic cells, Langerhans cells, and certain cells of the central nervous system?

    <p>True</p> Signup and view all the answers

    True or false: Retroviruses have a similar composition and structure in their basic virion?

    <p>True</p> Signup and view all the answers

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