Medical Dictionary

exonuclease

noun exo·nu·cle·ase \ˌek-sō-ˈn(y)ü-klē-ˌās, -ˌāz\

Medical Definition of EXONUCLEASE

:  an enzyme that breaks down a nucleic acid by removing nucleotides one by one from the end of a chain—compare endonuclease

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