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Microbiology - Bacteriophages

Exercise : Bacteriophages - Section 1
  • Bacteriophages - Section 1
6.
Contractile sheath of the tail is present in which of the following phages?
T3
T2
P22
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase.
RNA transcriptase
RNA polymerase
RNA ligase
RNA replicase
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In viruses with envelopes
the envelope and the embedded proteins are encoded by the viral nucleic acid
the envelope is derived from the host but it contains embedded proteins coded by the viral nucleic acid
the envelope is coded by the viral nucleic acids, but the proteins come from the host's membrane proteins
the envelope and its imbedded proteins are derived from the host's membranes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Which of the following bacteria can be typed by phage typing method?
Staphylococcus aureus
Salmonella typhi
Vibrio cholerae
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
__________ protein keeps the prophage dormant and prevents virus reproduction.
Operator
Promotor
Repressor
Enhancer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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