CBSE 12th Standard Biology Subject Biotechnology Principles and Processes Ncert Exemplar 2 Marks Questions 2021
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CBSE 12th Standard Biology Subject Biotechnology Principles and Processes Ncert Exemplar 2 Marks Questions 2021
12th Standard CBSE
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Reg.No. :
Biology
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A plasmid DNA and a linear DNA (both of the same size) have one site for a restriction endonuclease. When cut and separated on agarose gel electrophoresis, plasmid shows one DNA band, while the linear DNA shows two fragments. Explain.
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While carrying out a PCR, 'denaturation' step was missed. What will be its effect on the process?
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What is meant by gene cloning?
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You have created a recombinant DNA molecule by ligating a gene to a plasmid vector. By mistake, your friend adds exonuclease enzyme to the tube containing the recombinant DNA. How will your experiment get affected as you plan to go transformation now?
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Give the name of the type of bioreactor shown. Write the purpose for which it is used.
2 Marks
