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Viruses

Viruses
The size of viruses is usually measured in

nanometers
millimeters
micrometers
centimeters

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Viruses
Which of the following viruses can rescue adenovirus in simian cells?

Cytomegalovirus
Vaccinia
Simian virus 40
Rabies

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Viruses
Which of the following viruses has not been associated with human cancer?

Hepatitis B virus
Herpes simplex virus type 2
Varicella-Zoster virus
Hepatitis C virus

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Viruses
Viruses largely lack metabolic machinery of their own to generate energy or to synthesize

all of these
alcohol
protein
carbohydrate

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Viruses
The repressor protein, since the cell is resistant to lysis from externally infecting phage, is also called

operon repressor
immunity operon
none of these
immunity repressor

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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
lytic phase
spontaneous induction
none of these

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