| 单词 | 外切 |
| 释义 | 〔nuclease〕Any of several enzymes, such as endonucleases and exonucleases, that hydrolize nucleic acids.核酸酶：水解核酸的酶，如核酸内切酶和核酸外切酶〔exonuclease〕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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