MIC 541-Exam 5-Virology 2

Card Set Information

Author:
kyleannkelsey
ID:
218387
Filename:
MIC 541-Exam 5-Virology 2
Updated:
2013-05-07 19:05:42
Tags:
MIC 541 Exam Virology
Folders:

Description:
MIC 541-Exam 5-Virology 2
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user kyleannkelsey on FreezingBlue Flashcards. What would you like to do?


  1. What are the factors of susceptibility to viruses?
    • Number of receptors
    • ability of host to support virus
  2. What type of measurement is Susceptibility?
    Qualitative
  3. What is the purpose of a capsid?
    To stabilize and protect the genome
  4. What type of environmental variations are capsids meant to protect against?
    • Temp
    • pH
    • Chemical
  5. What viral structure protects against Temperature, pH and chemical composition of the environment?
    Capsid
  6. What is another word for the viral Nucleocapsid?
    Core
  7. What forms the substructure of a viral particle?
    The nucleocapsid
  8. Describe an icosahedral viral shape:
    • 520 triangular surfaces
    • 2,3, and 5 fold axes of symmetry
  9. What type of virus has a Helical formation, as described in class?
    Tobacco mosaic viruses
  10. What is an example of an ovoid virus?
    Poxvirus
  11. Describe a Helical formation of a virus?
    Cylindrical
  12. What is a variation of the icosahedrical viral shape?
    Fullerene cone
  13. Describe the composition of viral envelope:
    Lipid bilayer with glycoproteins
  14. Where does the viral envelope reside?
    Outermost layer
  15. What are the advantages of a viral envelope?
    Protects against chemicals and enzymes
  16. What are the disadvantages of a viral envelope?
    Less stable in the environment
  17. How do viruses acquire membranes?
    By budding out of host
  18. What host membranes are viral membranes derived from?
    • Plasma membrane
    • ER
    • Golgi
    • Nuclear membrane
  19. Viral envelope proteins are post-translationally targeted to what?
    The appropriate membrane
  20. How (generally) do viruses replicate?
    • Fusion and host cell entry
    • Replication
    • Assembly
    • Release
    • Maturation
  21. What is the first step in Viral replication?
    • Viral binding to host cell
    • What is require for viral host cell binding?
    • Specific host cell receptors-protein
    • Lipids
    • Carbohydrates

What would you like to do?

Home > Flashcards > Print Preview