Biotechnology - Cloning Vectors

Exercise :: Cloning Vectors - Section 1

  • Cloning Vectors - Section 1
21. 

EMBL 3 and EMBL 4 are replacement vectors, which can clone DNA up to

A. 6-7 kb
B. 15-25 kb
C. 40-44 kb
D. 1-2 kb

Answer: Option B

Explanation:

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22. 

Size of the DNA that can be packaged into a λ phage is

A. 50 kb
B. 35-53 kb
C. 40-50 kb
D. any size

Answer: Option B

Explanation:

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23. 

Charon 34 and Charon 35 are the examples of

A. plasmid vector
B. cosmid vector
C. phage vector
D. phagemid vector

Answer: Option C

Explanation:

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24. 

Cosmid vectors are used for

A. cloning small fragments of DNA
B. cloning large fragments of DNA
C. cloning prokaryotic DNA only
D. cloning eukaryotic DNA only

Answer: Option B

Explanation:

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25. 

Plasmids which are maintained as limited number of copies per cell are known as

A. stringent plasmids
B. relaxed plasmids
C. cryptic plasmids
D. all of these

Answer: Option A

Explanation:

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