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11. Explain briefly :
(b) Restriction enzymes and DNA
Answers (1)
Restriction enzymes and DNA- Restriction enzymes are those enzymes which cut DNA at particular places. The restriction enzyme first scans the DNA template and looks for its recognition site. Once it finds the recognition site, it binds at that region of DNA and cuts each of the two strands in its sugar-phosphate backbone. The sites at which restriction enzymes cut DNA are called recognition sites of DNA. These are palindromic sequences i.e. they read similarly from the backward and forward direction.
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