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Bacteriophages

Bacteriophages
__________ protein keeps the prophage dormant and prevents virus reproduction.

Repressor
Operator
Enhancer
Promotor

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Bacteriophages
Which capsid symmetry is exhibited by most of the phages?

Icosahedral
Helical
None of these
Complex

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Bacteriophages
A bacterial defense mechanism against bacteriophage is called

lysogeny
polymerization
restriction
concatamerization

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Bacteriophages
One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase.

RNA polymerase
RNA replicase
RNA transcriptase
RNA ligase

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Bacteriophages
T-even phage binding to E. coli probably involves

electrostatic interaction
all of these
hydrophobic interaction
covalent bonds

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Bacteriophages
Area of lysis on a bacterial lawn culture produced by a phage is known as

all of these
pox
pock
plaque

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