endonuclease: Meaning and Definition of

en•do•nu•cle•ase

Pronunciation: (en"dō-n'klē-ās", -āz", -ny'-), [key]
— n. Biochem.
  1. any of a group of enzymes that degrade DNA or RNA molecules by breaking linkages within the polynucleotide chains.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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