any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.
DISCOVER THE INFLUENCE OF PORTUGUESE ON ENGLISH VIA THIS QUIZ!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?
Origin of restriction enzyme
First recorded in 1960–65
Words nearby restriction enzyme
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for restriction enzyme
any of several enzymes produced by bacteria as a defence against viral infection and commonly used to cut DNA for genetic manipulation or diagnosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for restriction enzyme
[ rĭ-strĭk′shən ]
Any of a group of enzymes that cleave DNA at specific sites to produce discrete fragments, used especially in gene-splicing.restriction endonuclease
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.