Ch 14 Online quiz

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Author:
jess03
ID:
47732
Filename:
Ch 14 Online quiz
Updated:
2010-11-06 17:41:43
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Microbiology
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Description:
test 3
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  1. The genome of a virus may contain either ______ or _______
    RNA/DNA
  2. Though few in number, some drugs, such as ________, can be used to treat some viral infections
    Amantodine and acyclovir
  3. Attentuated viruses are those that ______
    Multiply in cellls but at a low rate
  4. Viroids and prions differ in that viroids are believed to contain only ______ while prions are believed to contain only ______
    Nucleic acid/protein
  5. Retroviruses are so-named because their reverse transcriptase ____
    Reverses the flow of genetic information by stimulating information to proceed from RNA to DNA
  6. River's postulates can be used to
    Relate a particular virus to a particular disease
  7. Cancer cells interfere with cell functions in all the following ways except
    They stimulate the immune system to produce destructive intergerons
  8. The protein coat of a virus particle is called a _____
    Capsid
  9. An example of a large complex virus is _____
    smallpox
  10. When a viral nucleic acid becomes part of the host cell chromosome it is called _____
    Lysogeny
  11. Which of the following viruses is a retrovirus with reverse transcriptase?
    HIV
  12. An example of a virus causing cytopathic effects is _____
    • A and C are correct
    • -Paraxyxoviruses causing syncytia
    • -Rabies causing Negri bodies
  13. Viruses can be grown on ____
    Tissue culture
  14. Which of the following are oncogenic viruses
    HPV
  15. Which of the following causes new emerging infectious diseases/
    • A and C are correct
    • -Mutation
    • -Cross host ranges
  16. ______ are infectious RNA particles
    Viroids
  17. Which of the following are the cause of 'mad cow disease'?
    Prions

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