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 |
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If one needs to derive a cDNA of human insulin, which cells should be taken up for extraction?

(1) Any cell of the human body as the DNA is same in all cells

(2) Any nucleated cell of the human body

(3) b cells of islets of Langerhans of human pancreas

(4) WBCs

Subtopic:  Host & Desired DNA: II | Host & Desired DNA |
 66%
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The natural genetic engineer of plants is

(1) Armillaria ostoyae

(2) Agrobacterium tumefacians

(3) Argemonaria geneticis

(4) Nuclearia incorporate

Subtopic:  Tools: Vectors: II | Tools |
 98%
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A distinct advantage of continuous culture over batch culture is

(1) Higher productivity

(2) Versitality

(3) Can be used for different reactions everyday

(4) Continuous inflow of nutrients

Subtopic:  Large Scale Production: II | Large Scale Production |
 57%
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Plasmids are good vectors for genetic engineering because

1. They self replicate within bacterial cells

2. Replicate freely outside bacterial cells

3. Can be replicated in culture

4. Can be replicated in laboratory using enzymes

Subtopic:  Tools: Vectors: I | Tools |
 79%
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Molecular weight of DNA in diploid human cell in Da is

  1. 3.6 X 10 12 Da
  2. 46 X 10 10
  3. 30 billion Da
  4. 46 billion Da
 65%
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The Ti in Ti plasmid stands for

(1) Tumour inciting

(2) Tumour inducing

(3) Transposon incumbent

(4) Transition impact

Subtopic:  Tools: Vectors: II | Tools |
 94%
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Classical biotechnology does not include the production of

(1) Curd

(2) Ethyl alcohol

(3) Insulin from bacteria

(4) Citric acid

 64%
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Why is a marker gene useful?

1. It shows you whether the gene being added, has been taken up or not.

2. It's a way of labelling which gene you want to modify.

3. It sticks with the striker gene.

4.  It marks the position of r-DNA

Subtopic:  Selectable Markers: II | Selectable Markers |
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Transformation is the term used to denote

(1) Non virus mediated gene transfer in non Animal eukaryotic cells

(2) Virus mediated gene transfer in Bacteria

(3) Virus mediated gene transfer in non Animal eukaryotic cells

(4) All of the above

Subtopic:  Selectable Markers: II | Selectable Markers |
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