Plant Virology: Entry of Viruses into Plant Cells
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Questions and Answers

Which strategy is employed by DNA viruses to synthesize their mRNA?

  • Cap-snatching
  • Monocistronic RNA
  • Polyprotein
  • Alternative splicing (correct)

What is the function of RNA-dependent RNA polymerase in RNA viruses?

  • To transcribe DNA into RNA
  • To degrade host mRNA
  • To replicate RNA genome (correct)
  • To translate RNA into protein

Which structure is formed during the assembly of enveloped viruses?

  • Inclusion bodies
  • Multilayered membrane
  • Naked capsid
  • Cell membrane-derived envelope (correct)

What is the role of reverse transcriptase in retroviruses?

<p>To transcribe RNA into DNA (C)</p> Signup and view all the answers

How do viruses gain a competitive advantage in expressing their genome?

<p>By stealing host mRNA caps (A)</p> Signup and view all the answers

What is the function of proteolytic enzymes during the uncoating process of viral replication?

<p>To release viral genome from the capsid (C)</p> Signup and view all the answers

Which type of RNA is recognized by the eukaryotic host translational machinery?

<p>Monocistronic RNA (C)</p> Signup and view all the answers

What is the term for the process by which some RNA viruses, such as poliovirus, synthesize their mRNA?

<p>Polyprotein (B)</p> Signup and view all the answers

Which receptor is used by HIV to bind to host cells?

<p>CD4 (A)</p> Signup and view all the answers

What is the function of DNA-dependent RNA polymerase in host cells?

<p>To transcribe DNA into RNA (C)</p> Signup and view all the answers

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