Microbiology - Microbial Recombination and Gene Transfer

Exercise :: Microbial Recombination and Gene Transfer - Section 1

  • Microbial Recombination and Gene Transfer - Section 1
31. 

R factors involved in plant-microbe interactions are

A. plant proteins
B. bacterial proteins
C. essential for transfer of DNA to plant cells
D. also called opines

Answer: Option A

Explanation:

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32. 

Which of the following is used by microbial genetisists as a tool?

A. Bacteriophage
B. Plasmids
C. Transposable elements
D. All of these

Answer: Option D

Explanation:

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33. 

Which of the following type of recombination does not require homologous sequences and is utilized by mobile genetic elements that move about chromosomes?

A. Mutagenic recombimation
B. Site-specific recombination
C. Replicative recombination
D. General recombination

Answer: Option C

Explanation:

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34. 

Which of the following term describes the relationship between a virus and host where no new viral particles are produced and the viral genome is replicated along with host chromosome?

A. Lysogeny
B. Lysis
C. Transformation
D. Conjugation

Answer: Option A

Explanation:

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35. 

Inverted repeat sequences at each end and a gene encoding transposase is contained in which of the following transposable element?

A. Composite transposon
B. Insertion element
C. Virus
D. Plasmid

Answer: Option B

Explanation:

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