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Viral World
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Viral World

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Questions and Answers

What is a key characteristic of viruses?

  • They are visible under light microscopy
  • They do not have their own metabolism (correct)
  • They contain both DNA and RNA
  • They are classified within Archaea, Bacteria, Eukaryota

    • How are virions composed?

  • Nucleic acid surrounded by a lipid membrane
  • Both DNA and RNA together
  • Only protein without any nucleic acid
  • Nucleic acid surrounded by a protein coat (correct)

    • What is a key component of the viral structure for binding to host cells?

  • Lipid bilayer envelope
  • Peplomers (correct)
  • Enzymes for replication
  • Protein-containing capsid

    • Where are peplomers, the glycoprotein spikes, found in viruses?

    <p>On the protein-containing capsid</p> Signup and view all the answers

    What is a characteristic of certain viruses regarding viral replication?

    <p>They carry enzymes for replication</p> Signup and view all the answers

    What is the defining characteristic of single-stranded RNA with positive polarity?

    <p>It can be directly used as a template for protein synthesis</p> Signup and view all the answers

    What is the defining characteristic of single-stranded RNA with negative polarity?

    <p>It requires conversion to positive polarity for protein synthesis</p> Signup and view all the answers

    What is a consequence of the error-prone conversion process of single-stranded RNA with negative polarity?

    <p>It may lead to potential mistakes in the genetic code</p> Signup and view all the answers

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