If a sample has a DNA of size 2kb and 6kb while the molecular marker denotes 4kb band as its the first band where will be the 6kb band of DNA?

1. bove the band of another DNA sample

2. Above the band of marker

3. In between the band of the marker and another band of DNA sample.

4. Both A and B

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An important limitation to the use of Agrobacterium tumefaciens is that it can not:

1. infect dicots

2. be genetically modified

3. be cultured on a nutrient medium

4. infect crop plants such as wheat and corn

Subtopic:  Tools: Vectors: II | Tools |
 65%
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Which of the following is the reason for the increased surface area for oxygen transfer in a sparged bioreactor ?

1. Bubbles

2. Turbidity

3. Cells

4. Protein

Subtopic:  Large Scale Production: II | Large Scale Production |
 86%
From NCERT
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The formulation with suitable preservatives in the case of drugs has to undergo

 

1.      Through clinical trials

 

2.      Through strict separation techniques

 

3.      Through harsh heat shock control

 

4.     Through long restriction digestion

Subtopic:  Process of Biotech | Large Scale Production |
 79%
From NCERT
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Downstream processing is not

 

1.      Separation

 

2.      Purification

 

3.      Vary with product

 

4.     Occurs during the marketing phase

Subtopic:  Large Scale Production: II | Large Scale Production |
 70%
From NCERT
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Quality control testing is not

 

1.      A part of downstream processing

 

2.      Include separation and purification

 

3.      Both 1 and 2

 

4.     Vary from product to product

Subtopic:  Large Scale Production: II | Large Scale Production |
From NCERT
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The Downstream processing occurs after

 

1.      Biosynthetic phase

 

2.      Separation phase

 

3.      Purification phase

 

4.     All of these

Subtopic:  Large Scale Production: II | Large Scale Production |
 63%
From NCERT
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Downstream processing includes

 

1.      Separation

 

2.      Purification

 

3.      Both 1 and 2

 

4.     Quality control Testing

Subtopic:  Large Scale Production: II | Large Scale Production |
 92%
From NCERT
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Increased surface area for oxygen transfer is a feature found specifically in

 

1.      Simple stirred tank bioreactor

 

2.      Sparged stirred-tank bioreactor

 

3.      All stirred tank bioreactors

 

4.     All bioreactors have this property

Subtopic:  Large Scale Production: II | Large Scale Production |
 65%
From NCERT
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The cylindrical body or curved base of a bioreactor actually facilitates

1. The handling and maintenance of bioreactor

2. mixing

3. better oxygen transport

4. more accumulation of product

Subtopic:  Large Scale Production: II | Large Scale Production |
 52%
From NCERT
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