单词：nucleases
n general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units
nucleases的用法和样例：
例句
- When they exposed tobacco cells to the zinc finger nucleases, they also added a version of that gene that enhances herbicide resistance.他们在使烟草细胞接触锌指核酸酶之外，也添加了可增强抗除草剂特性的基因片段。
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