Which of the following steps will be performed after restriction digestion?

1.      Ligation

2.      Elution from DNA gel

3.      Transformation

4.      Cloning

Subtopic:  Host & Desired DNA: II | Host & Desired DNA |
 71%
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If we are able to link an alien piece of DNA with ……a…...We can multiply it's number equal to the copy number of

…a…..

1. a- bacteriophage

2. a- Plasmid

3. a- bacteriophage or Plasmid

4. a- prion

Subtopic:  Tools: Vectors: II | Tools |
 64%
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Which of the following is not a feature to facilitate cloning into a vector?

1.      Origin of replication

2.      Selectable Marker

3.      Multiple cloning site

4.      Virulence region

Subtopic:  Tools: Vectors: I | Tools: Vectors: II | Tools |
 70%
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If I want to check the expression of my gene, then I should use

1.      Vectors supporting high copy number

2.      Vectors supporting low copy number

3.      No need to bother about copy number

4.     Vectors with strong Ori

Subtopic:  Tools: Vectors: II | Tools |
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Selectable marker helps

1.      To identify transformants

2.      To identify recombinants

3.      To identify non- recombinants

4.      To eliminate transformants

Subtopic:  Selectable Markers: I | Selectable Markers: II | Selectable Markers |
 55%
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The normal E. coli cells have

1.      Kanamycin

2.      Tetracycline

3.      Ampicillin

4.     No resistance

Subtopic:  Host & Desired DNA: I | Host & Desired DNA |
 86%
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For easiest cloning, one needs to get vector with

1.      Single cloning site

2.      Multiple cloning site

3.      Few cloning site

4.     No cloning site at all

Subtopic:  Tools: Vectors: I | Tools |
 68%
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If the gene of Beta-galactosidase is not inactivated, means there will be color in the colonies of

1.      Non- recombinant

2.      Recombinant

3.      Transformants

4.     Non-transformants

Subtopic:  Selectable Markers: III | Selectable Markers |
 60%
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Insertional inactivation results in

1.      Non-recombinants

2.      Recombinants

3.      Transformants

4.     Non- transformants

Subtopic:  Selectable Markers: III | Selectable Markers |
 72%
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Which of the following options is correct about Agrobacterium tumifaciens?

1.     It is a pathogen of angiosperms

2.     It is able to deliver a piece of DNA known as T-DNA to transform bacterial cell and direct the cell to produce chemicals required by the pathogen

3.     Its Ti plasmid is now modified into an expression vector

4.     Its Ti plasmid is modified into a cloning vector which is no more pathogenic

Subtopic:  Cloning Vector |
 53%
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