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Question
Which of the following enzyme catalyses the removal of nucleotides from the end of DNA molecules?
Options
Protease
Exonuclease
RNase
Endonuclease
MCQ
Solution
Exonuclease
Explanation:
The removal of nucleotides from the ends of DNA molecules is catalysed by the exonuclease. The restriction enzyme exonuclease is a member of the nuclease family of enzymes. These only cut the segments at predetermined points.
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