DNA
Appearance
DNA (deoxyribonucleic acid) waa molekuul ka kooban xeerka hidde-sideyaasha noolaha. Tan waxaa ku jira xayawaan, dhir, brotista, archaea iyo bakteeriya. Waxay ka kooban tahay laba silsiladood oo polynucleotide ah oo ku jira heliigs labanlaab ah.
![](http://upload.wikimedia.org/wikipedia/commons/0/0c/DNA_animation.gif)