Discussion
Home ‣ Microbiology ‣ Microbial Recombination and Gene Transfer Comments
- Question
Which of the following plamids do not possess information for self transfer to another cell?
Options- A. Cryptic plasmids
- B. Conjugative plasmids
- C. Non-conjugative plasmids
- D. None of these
- Correct Answer
- Non-conjugative plasmids
- 1. The correct term for the transfer of genetic material between bacteria in direct physical contact is
Options- A. conjugation
- B. transformation
- C. replication
- D. transduction Discuss
- 2. Which of the following is the cause for drug resistance in tuberculosis?
Options- A. Mutation
- B. Transduction
- C. Transformation
- D. Conjugation Discuss
- 3. Inverted repeat sequences at each end and a gene encoding transposase is contained in which of the following transposable element?
Options- A. Composite transposon
- B. Insertion element
- C. Virus
- D. Plasmid Discuss
- 4. Which type of plasmid can exist with or without being integrated into the host's chromosome?
Options- A. Medisome
- B. Lisosome
- C. Lysogen
- D. Episome Discuss
- 5. The transducing particles carry only specific portions of the bacterial genome in which of the following transduction?
Options- A. Specialized transduction
- B. General transduction
- C. Abortive transduction
- D. None of these Discuss
- 6. The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid
Options- 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 Discuss
- 7. 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?
Options- A. Lysogeny
- B. Lysis
- C. Transformation
- D. Conjugation Discuss
- 8. What is term used for a bacterial cell that is able to take up naked DNA?
Options- A. Complementary
- B. Liable
- C. Competent
- D. Infected Discuss
- 9. The chromosomal genes, possessing fertility factor is known as
Options- A. R factor
- B. F prime factor
- C. HFr
- D. F factor Discuss
- 10. In lysogeny,
Options- A. a bacteriophage transfers bacterial DNA
- B. bacteria take up double stranded DNA from the environment
- C. DNA-degrading enzymes in the extracellular medium would stop the process
- D. a bacteriophage genome is integrated into the bacterial genome Discuss
Microbial Recombination and Gene Transfer problems
Search Results
Correct Answer: conjugation
Correct Answer: Mutation
Correct Answer: Insertion element
Correct Answer: Episome
Correct Answer: Specialized transduction
Correct Answer: carries genes encoding the mating apparatus
Correct Answer: Lysogeny
Correct Answer: Competent
Correct Answer: F prime factor
Correct Answer: a bacteriophage genome is integrated into the bacterial genome
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