AICI POSTEZ FILMULETELE LEGATE DE BACTERII
Tipuri de bacterii, exemple - http://www.youtube.com/watch?v=RrTjOrzva3I Diviziunea directa la bacterii http://www.youtube.com/watch?v=gEwzDydciWc Caria dentara - http://www.youtube.com/watch?v=-nBSQQHYdkE