Ninth Grade Biology

Guys: Print those two worksheets Part 1. classifying galaxies https://docs.google.com/open?id=0B_aUC78Qoyomci1lTlY2aWIzTkk Part 2. Glimpse to distant galaxies https://docs.google.com/file/d/0B_aUC78QoyomMnVWdDVDamdlN28/edit?usp=sharing

Hey guys. Here there are somo links with videos about DNA and its history: this is a BBC series about cells, but in this episode the talk about the discovery of the DNA of cells. Secrete of life : Short and it talks about Watson and Crick Also you can watch  how Waston foud DNA structure by Watson himself You also can check this site http://www.pbs.org/wgbh/nova/photo51/ More later. I am not feeling good. Enjoy.