单词 | restriction enzyme |
释义 | restriction enzymenoun Biochemistry.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. Origin of restriction enzymeFirst recorded in 1960–65 Words nearby restriction enzymerestricted class, restricted code, restricted stock, restricted users group, restriction, restriction enzyme, restriction enzymes, restriction fragment, restriction fragment length polymorphism, restrictionism, restriction play Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for restriction enzymerestriction enzyme nounany 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 enzymerestriction enzyme [ rĭ-strĭk′shən ] n.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. |
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