| 释义 |
ex·o·nu·cle·ase AHD[ĕk'sō-no͞o′klē-ās', -āz', -nyo͞o′-] D.J.[ˌeksəʊˈnuːkliːˌeɪs, -ˌeɪz, -ˈnjuː-]K.K.[ˌɛksoˈnukliˌes, -ˌez, -ˈnju-]n.（名词）- Any of a group of enzymes that catalyze the hydrolysis of single nucleotides from the end of a DNA or RNA chain.核酸外切酶：从脱氧核糖核酸链或核糖核酸链的末端催化单核苷酸水解的一种酶
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