DNA and RNA Viruses Quiz
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Questions and Answers

What is the primary function of DDDP in DNA viruses?

  • Degrades RNA
  • Replicates DNA to DNA (correct)
  • Converts RNA to DNA
  • Transcribes DNA to mRNA
  • Where are the enzymes for DNA viruses primarily replicated?

  • In the mitochondria of the host
  • In the cytoplasm of the host
  • In the nucleus of the host (correct)
  • In the extracellular space
  • Which of the following enzymes is associated with RNA viruses for converting RNA to DNA?

  • DDDP
  • RDDP (RT) (correct)
  • DDRP
  • Replicase
  • What type of genetic material do mRNA viruses use?

    <p>ssRNA (single-stranded RNA)</p> Signup and view all the answers

    Which enzyme is responsible for synthesizing mRNA from DNA in DNA viruses?

    <p>Transcriptase (DDRP)</p> Signup and view all the answers

    What initiates the virus replication process after the virus enters the host cell?

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

    Which step in virus replication involves the production of early proteins necessary for replication?

    <p>Early transcription &amp; translation</p> Signup and view all the answers

    What is the purpose of adding a poly(A) tail to mRNA during its processing?

    <p>To increase mRNA stability and facilitate export from the nucleus</p> Signup and view all the answers

    Which form of mRNA is primarily used for producing new RNA molecules in RNA viruses?

    <p>Copy form</p> Signup and view all the answers

    What distinguishes some RNA viruses in terms of mRNA processing?

    <p>They lack a 5' cap and a poly(A) tail.</p> Signup and view all the answers

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