MIC 541-Exam 5-Virology I

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Author:
kyleannkelsey
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218386
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MIC 541-Exam 5-Virology I
Updated:
2013-05-07 19:05:03
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MIC 541 Exam Virology
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MIC 541-Exam 5-Virology I
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  1. What are the major categories of Viruses?
    RNA or DNA
  2. What are the subcategories of both RNA and DNA viruses?
    Enveloped or non-enveloped
  3. What are the major categories of Enveloped and non-enveloped viruses?
    • Double stranded
    • Single stranded
    • Reverse transcription Single stranded
  4. What is a virion?
    single virus particle
  5. What is the term for a single virus particle?
    Virion
  6. What is a capsid?
    A major protein component of the viral shell (surrounds the core)
  7. What is a Nucleocapsid/Core?
    Nucleic acid and surrounding protein shell
  8. What is the name for t nucleic acid and surrounding protein shell in a virus?
    Nucleocapsid/Core
  9. What is a viral envelope?
    Membrane surrounding vial core
  10. What is the term for a membrane that surrounds the viral core?
    Envelope
  11. What can viruses use as hosts?
    • Bacteria
    • Protozoa
    • Fungi
    • Algae
    • plants
    • animals
  12. What is the size range of viruses?
    20 nm to 450 nm
  13. What virus is 450 nm?
    poxvirus
  14. What virus is 20nm in diameter?
    parvovirus
  15. What are the replication cycles of viruses?
    Cytoplasmic and nuclear or both
  16. What are the different types of nucleic acid viruses?
    • RNA or DNA
    • SS or DS
    • reverse or transcription
  17. What are the various morphologies of Nucleocapsids?
    • Helical
    • Icosahedral
    • ovoid
    • shperical
  18. What type of genomes can (not Nucleic acids) can a virus have?
    • Non-segmented
    • Segmented
    • Length
  19. How is host range determined for a virus?
    • Host receptor availability
    • Virus need s certain receptors for cell entry
    • Presence of intracellular host cell factors
    • to Support virus replication
  20. What type of measurement is Host range?
    Absolute measurement

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