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exonuclease

British  
/ ˌɛksəʊˈnjuːklɪˌeɪz /

noun

  1. an enzyme that is capable of detaching the terminal nucleotide from a nucleic acid chain Compare endonuclease

"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

Example Sentences

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The primers are removed by the exonuclease activity of DNA pol I, and the gaps are filled in by deoxyribonucleotides.

From Textbooks • Jun. 9, 2022

An exonuclease enzyme is used to digest the ends of the DNA and leave complementary single-stranded sequences that readily pair up.

From Nature • Feb. 23, 2020

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.