exonuclease

British

/ ˌɛksəʊˈnjuːklɪˌeɪz /

noun

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

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exonuclease

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