cell free system meaning in Chinese

无细胞系统

After the nuclei of late g2 phase were incubated in the mitotic extracts harvested from metaphase plasmodia , the cyclin b in the nuclei gradually accumulated with the prolongation of incubating time . while , in the control group , the content of cyclin b changed little . this indicated that the mitotic extracts of metaphase plasmodia had the activity of accelerating the process of prophase , and the cell free system with mpf activity was established
将g _ 2晚期细胞核温育于中期提取物中，免疫印迹结果表明随着温育时间的延长，细胞核中cyclinb的含量逐渐增加，而在没有中期提取物的对照组细胞核中cyclinb含量并不随着温育时间的延长而增加，说明多头绒泡菌中期提取物具有促进有丝分裂前期进程的作用，同时也说明我们构建了具有mpf活性的非细胞体系。