What limitation of traditional hybridization procedures used in plant and animal breeding can be overcome by recombinant DNA procedures?

I: Inclusion and multiplication of undesirable genes
II: Inability of inclusion of desirable traits from other species
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
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Which of the given statements is correct in the context of visualizing DNA molecules separated by agarose gel electrophoresis?

1. DNA can be seen in visible light
2. DNA can be seen without staining in visible light
3. Ethidium bromide stained DNA can be seen in visible light
4. Ethidium bromide stained DNA can be seen under exposure to UV light
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A reporter enzyme used in biotechnology includes all the following except:
1. Green Fluorescent Protein
2. Luciferase
3. Beta Galactosidase
4. Chloramphenicol acetyl transferase

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Which of the following can be used to induce competence for getting a bacterial cell transformed during rDNA procedures?

1. A divalent cation 2. Ethidium bromide
3. Polyethylene glycol 4. Anionic proteins
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If any protein-encoding gene is expressed in a heterologous host, the protein formed is called:

1.  Recombinant protein 2.  Native protein
3.  Pro-protein 4.  Exotic protein
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Identify (a) and (b) bioreactors respectively in the given diagram:

 

1. Simple stirred-tank and sparged stirred – tank 
2. Sparged stirred - tank and simple stirred-tank
3. Airlift and tower
4. Tower and airlift

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