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Viruses

Viruses
Virus reproduces in living cells by

replication
all of these
multiplication
duplication

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Viruses
The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as

operon repressor
immunity repressor
immunity operon
none of these

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

Vaccinia
Simian virus 40
Cytomegalovirus
Rabies

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Viruses
The temperate phage that have no site specificity for insertion and may even be able to insert multiple copies of their DNA into a single bacterial chromosome is

λ DNA
Phage Mu
λ phage enzyme
Phage Mn

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Viruses
Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring?

Bateriophage M13
Bateriophage T4
Bateriophage MV-L2
Bateriophage T2

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Viruses
Group E phages have

single stranded DNA
single stranded RNA
double stranded DNA
double stranded DNA

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