Microbiology - Microbial Recombination and Gene Transfer

Exercise :: Microbial Recombination and Gene Transfer - Section 1

  • Microbial Recombination and Gene Transfer - Section 1
11. 

Which type of plasmid can exist with or without being integrated into the host's chromosome?

A. Medisome
B. Lisosome
C. Lysogen
D. Episome

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

12. 

The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid

A. transfers both strands of the plasmid DNA
B. carries genes encoding the mating apparatus
C. transfers antibiotic resistance genes
D. usually has a transposon inserted into it

Answer: Option B

Explanation:

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13. 

Which of the following is the cause for drug resistance in tuberculosis?

A. Mutation
B. Transduction
C. Transformation
D. Conjugation

Answer: Option A

Explanation:

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14. 

The transposase gene encodes an enzyme that facilitate

A. viral replication within a genome
B. general recombination
C. site-specific integration of transposable elements
D. none of the above

Answer: Option C

Explanation:

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15. 

The term used for plasmids possessing both RTF and r determinants is

A. non self-transmissible plasmids
B. non conjugative plasmids
C. conjugative plasmids
D. none of the above

Answer: Option C

Explanation:

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