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Bacteriophages

Bacteriophages
A bacterial defense mechanism against bacteriophage is called

lysogeny
concatamerization
polymerization
restriction

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

all of these
electrostatic interaction
hydrophobic interaction
covalent bonds

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

Helical
Icosahedral
Complex
None of these

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Bacteriophages
Which of the following properties is due to lysogenic conversion by phages?

Antigenic variation in Salmonella anatum
Toxin production in Corynebacterium diphtheriae
All of these
Toxin production in Clostridium botulinum types C and D

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

RNA transcriptase
RNA polymerase
RNA replicase
RNA ligase

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Bacteriophages
__________ is specifically able to have a long-term relationship with the host known as lysogeny.

RNA phage
Temperate virus
Adsorbed virus
DNA phage

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