53.
Name the source of Taq polymerase. Explain its advatages.
Taq Polymerase is extracted from the bacteria namely Thermus aquaticus. It remains active at higher temperature and is used for replicate short DNA segments.
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54.
What are recombinant proteins ? How do bioreactors help in their production ?
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55.
How is Fragmentation of DNA of interest carried out in recombinant DNA technology ?
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Multiple Choice Questions
56.
Genetic engineering would not have been possible if which of the following were not known ?
DNA polymerase
RNA synthetase
DNA ligase
Reverse transcriptase
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57.
Genetic engineering is possible because:
Phenomenon of transduction in bacteria is well understood
We can see DNA by electron microscope
We can cut DNA at random sites.
Restriction endonucleases purified from bacteria can be used in vitro
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58.
Restriction endonucleases are :
Synthesized by bacteriophages
Present in mammalian cells for degradation of DNA
Used for in vitro DNA synthesis
Used in genetic engineering
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59.
Structure involved in genetic engineering is :
Plasmid
Codon
Plastid
Scissors
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60.
Which enzyme is useful in genetic engineering ?
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