Exercise: Bacteriophages

Questions for: Bacteriophages

A bacterial defense mechanism against bacteriophage is called
A:
concatamerization
B:
polymerization
C:
restriction
D:
lysogeny
Answer: C
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The filamentous bacteriopohage infect male E. coli cells by attaching to
A:
lipopolysaccharide
B:
the cell wall
C:
the tip of the pilus
D:
the cell membrane
Answer: C
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T-even phage binding to E. coli probably involves
A:
electrostatic interaction
B:
hydrophobic interaction
C:
covalent bonds
D:
all of these
Answer: A
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Which of the following properties is due to lysogenic conversion by phages?
A:
Toxin production in Corynebacterium diphtheriae
B:
Toxin production in Clostridium botulinum types C and D
C:
Antigenic variation in Salmonella anatum
D:
All of the above
Answer: D
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__________ is specifically able to have a long-term relationship with the host known as lysogeny.
A:
Temperate virus
B:
Adsorbed virus
C:
RNA phage
D:
DNA phage
Answer: A
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