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Bacteriophages

Bacteriophages
The process by which phage reproduction is initiated in lysogenized culture is called

infection
integration
induction
repression

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

electrostatic interaction
all of these
covalent bonds
hydrophobic interaction

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

pock
plaque
all of these
pox

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Bacteriophages
Which of the following is/are synthesized from late mRNA?

Phage structural proteins
Proteins involved in cell lysis and phage release
All of these
Proteins that help with phage assembly without becoming part of the virion structure

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

Promotor
Operator
Enhancer
Repressor

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

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

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