Viral Genomes: DNA vs. RNA
17 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the defining characteristic used to classify a virus as a DNA virus or an RNA virus?

  • Shape of the virus capsid
  • Presence or absence of an envelope
  • Size of the virus particle
  • Type of nucleic acid in the virus genome (correct)
  • Which of the following is NOT a type of virus genome based on the information provided?

  • Double-stranded DNA
  • Triple-stranded DNA (correct)
  • Single-stranded RNA
  • Double-stranded RNA
  • What is the size range of viruses as mentioned in the text?

  • $100$ nm to $1000$ nm
  • $1$ nm to $1000$ nm
  • $1$ nm to $100$ nm
  • $10$ nm to $900$ nm (correct)
  • Which characteristic makes viruses dependent on a host to live?

    <p>Inability to reproduce outside of a host cell</p> Signup and view all the answers

    What is the main structural component of a virus particle?

    <p>Protein coat (capsid)</p> Signup and view all the answers

    Which type of virus is known to have an envelope surrounding its protein coat?

    <p>Enveloped virus</p> Signup and view all the answers

    Which of the following statements about viruses is TRUE?

    <p>The genetic material of all viruses is made up of RNA</p> Signup and view all the answers

    Which component of the viral envelope membrane is of viral origin?

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

    Viruses lack which of the following metabolic components?

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

    What is the structure that the arrow is pointing at?

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

    In viral replication, where does the viral genome go after binding to a host cell?

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

    Which type of virus contains a single molecule DNA as its genome?

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

    Which virus is an example of a double-stranded RNA genome?

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

    What is the main function of capsids in viruses?

    <p>Enclose the viral genome</p> Signup and view all the answers

    Which type of viruses have an enveloped structure derived partly from host cell membranes?

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

    Which enzyme does HIV contain that converts RNA back to DNA?

    <p>Reverse transcriptase</p> Signup and view all the answers

    Which virus is an example of a single-stranded RNA genome?

    <p>SARS virus</p> Signup and view all the answers

    More Like This

    Viral Replication Steps Quiz
    30 questions
    Genome and Capsid Structure of Viruses
    17 questions
    DNA Replication and Viral Mechanisms
    21 questions
    Use Quizgecko on...
    Browser
    Browser