Cells multiply by means ofcell division. 细胞用细胞分裂来繁殖。
The method inoles the use of protein markers under the control of cell-specific promoters to conert undifferentiated human embryonic stem cells into highly-specialized cells. 这种方法用细胞特异性启动子控制的蛋白标志物使未分化人类胚胎干细胞转化成高分化细胞。