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Q.
Restriction endonuclease-
AIPMTAIPMT 2006Biotechnology : Principles and Processes
Solution:
Restriction endonuclease is a type of enzyme that can cleave molecules of DNA at a particular site called restriction site having polindromic sequence. These enzymes are produced by many bacteria and protect the cell by cleaving and destroying the DNA of invading viruses. Now a days, restriction enzymes are widely used in the techniques of genetic engineering.