英语语法分析

Mutation of type II topoisomerase gene;

拓扑异构酶II基因突变；

Topoisomerase I then ligates the PCR product in the correct orientation.

然后拓扑异构酶i将P CR产物按照正确的方向连接。

Purpose to investigate the relationship between DNA topoisomerase and cell proliferation, apoptosis in ovarian carcinomas.

目的：探讨DNA拓扑异构酶在卵巢浆液性、黏液性囊腺癌中的表达及与细胞增殖、凋亡的关系。