References

Yaghi, M. (2009). Life and earth sciences. SIN ELFIL,LEBANON: CERD200. Bmedinago, (2008). CELL cycle [Web]. Available from http://www.youtube.com/watch?v=lf9rcqifx34 Chapter 10 bio. (n.d.). Retrieved March, 2011, from http://www.glogster.com/media/1/3/99/27/3992794.jpg Wikipidea. Retrieved March, 2011, from http://en.wikipedia.org/wiki/Cell_cycle