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Q.
The term 'molecular scissors' refers to
Biotechnology : Principles and Processes
Solution:
The restriction endonuclease enzyme inspects the length of a $DNA$ sequence. Once it recognises specific sequence, it binds to the $DNA$ and cuts each of the two strands of the double helix at specific points in their sugar phosphate back bone. Special sequence in the $DNA$ recognised by restriction endonuclease is called palindromic nucleotide sequence. Restriction endonuclease enzymes are also known as molecular scissors or biological scissors or chemical knives or chemical scalpels.