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restrike
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restriction enzyme
re·stric·tion en·zyme (plural re·stric·tion en·zymes) or res·tric·tion en·do·nu·cle·ase


noun 
Definition:
 
enzyme used to break down DNA: an enzyme that splits DNA into segments at precise locations. Use: genetic engineering.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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