Discussion
Home ‣ Microbiology ‣ Microbial Recombination and Gene Transfer Comments
- Question
Which of the following transport bacterial DNA to other bacteria via bacteriophages?
Options- A. Conjugation
- B. Transduction
- C. Transformation
- D. Translation
- Correct Answer
- Transduction
- 1. 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
- 2. The chromosomal genes, possessing fertility factor is known as
Options- A. R factor
- B. F prime factor
- C. HFr
- D. F factor Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. What information can be generated by interrupted mating experiments?
Options- A. Levels of DNA homology
- B. Bacterial genome maps
- C. DNA nucleotide sequences
- D. Proteomics of the bacteria Discuss
- 7. Natural killer cells are involved in
Options- A. tumour rejection
- B. allograft rejection
- C. non-specific killing of virus transformed target cells
- D. all of these Discuss
- 8. Which of the following is correct for isoantigens?
Options- A. They are antigens found in all members of different species
- B. They are antigens found in some members of a species
- C. They are antigens found in all members of a species
- D. They are antigens found in some members of different species Discuss
- 9. Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated?
Options- A. By rearrangements of the DNA encoding the variable regions of the heavy and light chains
- B. By the combination of different heavy and light chains that form the antigen binding site
- C. Antibody proteins can physically change their shape to bind different epitopes
- D. Both (a) and (b) Discuss
- 10. Which of the following proteins would not need localization signal?
Options- A. A nuclear protein
- B. A cytosolic protein
- C. A protein bound to the endoplasmic reticulum (ER) membrane
- D. A cell surface protein Discuss
Microbial Recombination and Gene Transfer problems
Search Results
Correct Answer: a bacteriophage genome is integrated into the bacterial genome
Correct Answer: F prime factor
Correct Answer: Competent
Correct Answer: Lysogeny
Correct Answer: carries genes encoding the mating apparatus
Correct Answer: Bacterial genome maps
Correct Answer: all of these
Correct Answer: They are antigens found in some members of a species
Correct Answer: Both (a) and (b)
Correct Answer: A cytosolic protein
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