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The lytic cycle of bacteriophage infection ends with the _____.
As a result of the lytic cycle, _____.
Sort the items according to whether they may be found only in free virus particles, only in uninfected host cells, or in both viruses and host cells.
What is the function of reverse transcriptase?
What enzyme is responsible for the process seen here?
Double-stranded viral DNA is incorporated into a host cell as a _____.
How do enveloped viruses differ from nonenveloped viruses?
Which replicative cycle describes a virus that can integrate its genome into the host cell's genome?
How does HIV bind to a host cell?
Which of the following events stimulates the production of viral particles in a host cell?
True or false? The human immunodeficiency virus (HIV) uses reverse transcriptase to make double-stranded RNA copies of its DNA genome.
Why are viruses called obligate intracellular parasites?
Why are retroviruses considered a special class of viruses?
HIV uses which of the following processes to synthesize a DNA strand using its RNA genome as a template?
What is the most effective way to stop viral infections?
A plant that has been raised in a sterile environment shows symptoms of a viral infection. How would you explain this?
How do prions, which are misfolded proteins, infect organisms?
Why do RNA viruses appear to have higher rates of mutation?
Emerging viruses arise by
Which of the following characteristics, structures, or processes is common to both bacteria and viruses?
To cause a human pandemic, the H5N1 avian flu virus would have to
RNA viruses require their own supply of certain enzymes because
How does a virus differ from a bacterium?
Why is it ineffective to treat viral disease with antibiotics?