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Home Q & A Board Biology-Related Homework Help General Biology
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timothyy5 timothyy5
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6 years ago
The concentration of infectious plaque forming units (pfu) per volume of fluid is known as the
 
  A) infectivity.
  B) virulence.
  C) titer.
  D) fluid infectivity.


What are the consequences of a viral infection of an animal cell?
 
  A) rapid lysis or latent infections
  B) lysogeny followed by eventual lysis
  C) lysis or lysogeny
  D) Outcomes vary from rapid lysis to persistent infections, latent infections, or cancer.


In viruses, genetic information flows from ________ to ________.
 
  A) RNA / virion
  B) nucleic acid / protein
  C) capsid / virion
  D) DNA / protein


For bacteriophages and animal viruses ________ is the step in the viral life cycle that determines host cell or tissue specificity.
 
  A) attachment
  B) penetration
  C) synthesis
  D) assembly


Whether lambda phage undergoes the lytic or lysogenic cycle is dependent on the accumulation of
 
  A) Cro protein.
  B) viral genomes.
  C) cI protein.
  D) methylated DNA.
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gregbren89@gmaigregbren89@gmai
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6 years ago
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timothyy5 Author
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6 years ago
Thank you for helping me with this assignment of mine
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