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Viruses

Viruses
The size of viruses is usually measured in

millimeters
nanometers
micrometers
centimeters

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Viruses
Which of the following virus is susceptible to chloroform?

Herpes
All of these
Measles
Influenza

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Viruses
The extracellular phage number increases until a constant titer at the end of the multiplication cycle. This time interval is termed as

eclipse period
burst size
latent period
rise period

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Viruses
Which of the following is not true of virions?

Reproduce independently
Contain RNA
Contain DNA
Are extracellular

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Viruses
The most popular indirect method of counting virus particles is by

plaque-assay
counting plaque-forming units
colony counting
hemagglutination assay

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Viruses
The viral DNA of the temperate phage, instead of taking over the functions of the cell's genes, is incorporated into the host DNA and becomes a prophage in the bacterial chromosome, acting as a gene. This happens in

lysogeny
spontaneous induction
lytic phase
none of these

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