Discussion
Home ‣ Microbiology ‣ Microbial Recombination and Gene Transfer Comments
- Question
Diagnostic DNA probes have been developed for
Options- A. Mycobacterium tuberculosis
- B. Hepatitis B virus
- C. Human immunodeficiency virus
- D. all of the above
- Correct Answer
- all of the above
- 1. Who discovered transposons (jumping genes)?
Options- A. Abelson
- B. Harvey
- C. McClintock
- D. Griffith Discuss
- 2. Which of the following genetic elements carry the genes required for integration into host chromosomes?
Options- A. Replicon
- B. Plasmids
- C. Transposons
- D. Tandons Discuss
- 3. Penicillin resistance in staphylococci is acquired due to
Options- A. conjugation
- B. mutation
- C. transformation
- D. transduction Discuss
- 4. Which of the following statement(s) is/are true in regards to F+ x F- mating events?
Options- A. DNA is transferred from F- to F+ cells
- B. DNA is transferred from F+ to F- cells
- C. No DNA is transferred because F- cells are unable to perform conjugation
- D. No DNA is transferred because F+ cells are unable to perform conjugation Discuss
- 5. R factors involved in plant-microbe interactions are
Options- A. plant proteins
- B. bacterial proteins
- C. essential for transfer of DNA to plant cells
- D. also called opines Discuss
- 6. When composite transposons are formed
Options- A. a small deletion occurs in the transposase gene of an IS element
- B. a small deletion occurs in the transposase gene of an IS element and plasmid is integrated
- C. an IS element integrates with another IS element with the help of a plasmid
- D. two IS elements integrate into a chromosome with only a small distance separating them Discuss
- 7. What is the term used for a segment of DNA with one or more genes in the centre and the two ends carrying inverted repeat sequences of nucleotides?
Options- A. Plasmid
- B. Transposon
- C. Insertion sequence
- D. None of these Discuss
- 8. The type of recombination that commonly occurs between a pair of homologous DNA sequences is,
Options- A. mutagenic recombination
- B. site-specific recombination
- C. replicative recombination
- D. general recombination Discuss
- 9. The plasmid which makes the host more pathogenic is
Options- A. F factors
- B. Metabolic plasmid
- C. Virulence plasmid
- D. None of these Discuss
- 10. The transposase gene encodes an enzyme that facilitate
Options- A. viral replication within a genome
- B. general recombination
- C. site-specific integration of transposable elements
- D. none of the above Discuss
Microbial Recombination and Gene Transfer problems
Search Results
Correct Answer: McClintock
Correct Answer: Transposons
Correct Answer: transduction
Correct Answer: DNA is transferred from F+ to F- cells
Correct Answer: plant proteins
Correct Answer: two IS elements integrate into a chromosome with only a small distance separating them
Correct Answer: Transposon
Correct Answer: general recombination
Correct Answer: Virulence plasmid
Correct Answer: site-specific integration of transposable elements
Comments
There are no comments.More in Microbiology:
Programming
Copyright ©CuriousTab. All rights reserved.