Discussion
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- Question
Cos site of the cosmids
Options- A. consists of 12 bases
- B. helps whole genome in circularization and ligation
- C. both (a) and (b)
- D. contains cleavage site
- Correct Answer
- both (a) and (b)
- 1. EMBL 3 and EMBL 4 are replacement vectors, which can clone DNA up to
Options- A. 6-7 kb
- B. 15-25 kb
- C. 40-44 kb
- D. 1-2 kb Discuss
- 2. Charon vectors are different from EMBL vectors because
Options- A. they have more extensive range of restriction targets with in their polylinkers.
- B. physical separation of lambda arm from central fragment is required
- C. both (a) and (b)
- D. physical separation of lambda arm from central fragment is not required Discuss
- 3. Cryptic plasmids
Options- A. do not exhibit any phenotypic trait
- B. exhibit many phenotypic traits
- C. exhibit one phenotypic traits
- D. exhibit antibiotic resistance Discuss
- 4. Inserted DNA in ? gt 11 can be expressed as
Options- A. ?-galactosidase fused protein
- B. free protein in the cytoplasm
- C. free protein that is secreted out
- D. all of the above Discuss
- 5. Size of the DNA that can be packaged into a ? phage is
Options- A. 50 kb
- B. 35-53 kb
- C. 40-50 kb
- D. any size Discuss
- 6. Maximum size of foreign DNA that can be inserted into an insertion vector is
Options- A. 35 kb
- B. 18 kb
- C. 50 kb
- D. 27 kb Discuss
- 7. Plasmids which are maintained as limited number of copies per cell are known as
Options- A. stringent plasmids
- B. relaxed plasmids
- C. cryptic plasmids
- D. all of these Discuss
- 8. Conjugative plasmids
Options- A. exhibit antibiotic resistance
- B. do not exhibit antibiotic resistance
- C. carry transfer genes called the tra genes
- D. do not carry transfer genes Discuss
- 9. Plasmids which are maintained as multiple copy number per cell are known as
Options- A. stringent plasmids
- B. relaxed plasmids
- C. cryptic plasmids
- D. none of these Discuss
- 10. Maximum size of foreign DNA that can be inserted into a replacement vector is
Options- A. 25-30 kb
- B. 18-20 kb
- C. 20-25 kb
- D. 40-50 kb Discuss
Cloning Vectors problems
Search Results
Correct Answer: 15-25 kb
Correct Answer: both (a) and (b)
Correct Answer: do not exhibit any phenotypic trait
Correct Answer: ?-galactosidase fused protein
Correct Answer: 35-53 kb
Correct Answer: 18 kb
Correct Answer: stringent plasmids
Correct Answer: carry transfer genes called the tra genes
Correct Answer: relaxed plasmids
Correct Answer: 20-25 kb
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