ANIMAÇÕES SOBRE REPLICAÇÃO E TRANSCRIÇÃO

http://www.youtube.com/watch?v=teV62zrm2P0

http://www.youtube.com/watch?v=gW3qZF9cLIA&feature=related

http://www.youtube.com/watch?v=vNXFk_d6y80&feature=related

http://www.youtube.com/watch?v=WsofH466lqk

http://www.youtube.com/watch?v=SMtWvDbfHLo