Chances are you've seen an illustration of DNA's double-helix structure and even pictures ... the level of the atoms that make up a single DNA base. The human body contains about 100 trillion ...

The double helix is a description of the molecular shape of a double-stranded DNA molecule ... between pairs of nucleotides, also called base pairs. Two types of base pairing occur: nucleotide ...

The most common type of base pairing is the Watson-Crick base pair, named after James Watson and Francis Crick, who first proposed the double helix structure of DNA. In this type of pairing, adenine ...

Chances are you've seen an illustration of DNA's double-helix structure and even pictures ... ending with the atoms that make up a single DNA base, you'll be able to zoom in to 15 different ...