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What are restriction endonucleases? Are they important?

Restriction endonucleases are enzymes which digest DNA. They are not like digestive enzymes which completely digest DNA to monomers so cells can eat nucleic acids. A "restriction endonuclease" is an enzyme that digest/cuts DNA in a specific place but leaves most of the DNA molecule unchanged.

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A "restriction endonuclease" is an enzyme that digest/cuts DNA in a specific place rather than a non-specific nuclease like Bal31 which digests DNA at ...

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A "restriction endonuclease" is an enzyme that digest/cuts DNA in a specific place not just randomly. They are important in biology and biotechnology.

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