Biotechnology - Cloning Vectors

Exercise :: Cloning Vectors - Section 1

  • Cloning Vectors - Section 1
26. 

Cryptic plasmids

A. do not exhibit any phenotypic trait
B. exhibit many phenotypic traits
C. exhibit one phenotypic traits
D. exhibit antibiotic resistance

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

27. 

Phagemid consist of

A. plasmid vector carrying λ phage's cos site
B. plasmid vector carrying λ attachment (λ att) site
C. plasmid vector carrying origin of replication of λ phage only
D. plasmid vector carrying origin of replication of plasmid only

Answer: Option B

Explanation:

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28. 

Maximum size of foreign DNA that can be inserted into an insertion vector is

A. 35 kb
B. 18 kb
C. 50 kb
D. 27 kb

Answer: Option B

Explanation:

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29. 

Plasmids which are maintained as multiple copy number per cell are known as

A. stringent plasmids
B. relaxed plasmids
C. cryptic plasmids
D. none of these

Answer: Option B

Explanation:

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30. 

Cosmid vectors are

A. plasmids that contain fragment of λ DNA including the cos site
B. phages that lack cos site
C. plasmids that have no selection marker
D. cryptic plasmids

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.