DNA Is Life's Information Archive
Genes are sections of DNA that carry instructions for an organism's form or function. Biology changed when scientists realized DNA stores hereditary information.Biology: Genes, DNA, and Inheritance
The Double Helix Twist
DNA is made of two long strands coiled into a double helix. In eukaryotes, it sits mainly in the nucleus. In prokaryotes, it is held in the nucleoid.Biology: Genes, DNA, and Inheritance
