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Question
The role of restriction endonucleases is ______.
Options
to cut DNA fragment at specific sites
to join DNA fragments
to introduce DNA into plasmid
none of the above
MCQ
Fill in the Blanks
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Solution
The role of restriction endonucleases is to cut DNA fragment at specific sites.
Explanation:
Restriction endonucleases recognise specific DNA sequences and cut at those sites. DNA ligase joins fragments; restriction enzymes do not introduce DNA into plasmids.
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