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What are restriction endonucleases? Are they important?

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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 not just randomly. They are important in biology and biotechnology.

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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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