A reporter enzyme used in biotechnology is-

(1) Green Fluorescent Protein

(2) Luciferase

(3) b Galactosidase

(4) All of the above

Subtopic:  Selectable Markers: III | Selectable Markers |
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Downstream processing does not include

(1) Quality control

(2) Clinical trials

(3) Product purification

(4) Sampling from bioreactor

Subtopic:  Large Scale Production: II | Large Scale Production |
 64%
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Which is not a component of the vector pBR322?

(1) Chloramphenicol selectable marker

(2) Replication proteins

(3) Origin of replication

(4) Cloning site for BamHI enzyme

Subtopic:  Tools: Vectors: II | Tools |
 75%
From NCERT
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Which among the following is a cloning vector?

(1) EcoRI

(2) BamHI

(3) pUC18

(4) Sal I

Subtopic:  Tools: Vectors: II | Tools |
From NCERT
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Two bacteria found to be very useful in genetic engineering are

(1) Diplococcus and Streptomyces

(2) Rhizobium and Xanthomonas

(3) Vibrio and Escherischia

(4) Escherischia and Agrobacterium

Subtopic:  Tools: Vectors: II | Host & Desired DNA: I | Host & Desired DNA | Tools |
 97%
From NCERT
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Which of the following would you choose as the safest and least cumbersome selectable marker-

(1) Ampicillin resistance gene

(2) Tetracyclin resistance gene

(3) Kanamycin resistance gene

(4) b Galactosidase gene

Subtopic:  Selectable Markers: III | Selectable Markers |
 69%
From NCERT
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Recombinant DNA is formed in nature during-

(1) Crossing over at pachytene

(2) Integration of plasmid to form episome

(3) Integration of phage DNA to form prophage

(4) More than one is correct.

Subtopic:  Tools: Vectors: I | Tools |
 70%
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Southern Blotting essentially makes use of a

(1) Buffer

(2) Electrodes

(3) Agarose gel

(4) All of the above

Subtopic:  Process of Biotech |
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The native charge on DNA molecules is

(1) Positive

(2) Negative

(3) Neutral

(4) DNA is an ampholyte

Subtopic:  Process of Biotech |
 95%
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The visualization of the DNA bands on the gel can be done with the help of

(1) UV rays

(2) Ethidium bromide

(3) Chromogenic substrate

(4) More than one is correct

Subtopic:  Process of Biotech |
 57%
From NCERT
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