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  • 1(current)
Q. No.

DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by:

1. Polymerase chain reaction

2. Electrophoresis

3. Restriction mapping

4. Centrifugation

Q1:
 92% From NCERT AIPMT - 2013
Subtopic:  Separation and Isolation of DNA fragments |
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Agarose extracted from seaweeds finds use in:
1.  tissue culture
2.  PCR
3.  gel electrophoresis
4.  spectrophotometry
Q2:
 94% From NCERT AIPMT - 2011
Subtopic:  Separation and Isolation of DNA fragments |
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Gel electrophoresis is used for:
1. cutting of DNA into fragments
2. separation of DNA fragments according to their size
3. construction of recombinant DNA by joining with cloning vectors
4. isolation of DNA molecule

Q3:
 90% From NCERT AIPMT - 2008
Subtopic:  Process of Biotech | Separation and Isolation of DNA fragments |
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The linking of the antibiotic resistance gene with the plasmid vector became possible with:

1. DNA ligase

2. endonucleases

3. DNA polymerase

4. exonucleases

Q4:
 88% From NCERT AIPMT - 2008
Subtopic:  Tools: Enzymes: II | Restriction Enzymes - Main Enzymes | Separation and Isolation of DNA fragments | Tools |
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