| NOUN | substance | restriction endonuclease, restriction nuclease, restriction enzyme | any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments |
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| Meaning | Any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments; obtained from bacteria (where they cripple viral invaders); used in recombinant DNA technology. | |
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| Synonyms | restriction nuclease, restriction enzyme | |
| Broader | endonuclease | A nuclease that cleaves nucleic acids at interior bonds and so produces fragments of various sizes |
| Catalan | enzim de restricció | |
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