知识贝壳
所属栏目:英汉双解细胞与分子生物学
A belt of proteins that en-circles a dividing cell and contracts to pinchthe cell into two parts. Actin and myosinproteins assemble in the equatorial region ofa cell during mitosis,and organize to form acontractile ring. Following formation of thedaughter ......(本文共 505 字 ) [阅读本文] >>