Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选

These molecules of DNA, very long molecules of DNA, are condensed and packaged within the nucleus of every cell in your body.

这些DNA分子是非常长的,它们通过折叠等方式压缩形成染色体后,被装配在你身体内的每一个细胞内

耶鲁公开课 - 生物医学工程探索课程节选