general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units
造句
When they exposed tobacco cells to the zinc finger nucleases, they also added a version of that gene that enhances herbicide resistance. 他們在使煙草細胞接觸鋅指核酸酶之外，也添加了可增強抗除草劑特性的基因片段。