Curated OER
Science Kids: Science Images: Dna Structure
A 3D computer generated model of humans DNA structure. The double helix image labels base pairs, diameter, major and minor grooves.
New York University
Model of the Four Nucleotide Bases in Rna
The 3-D model of Cytosine (C), Uracil (U), Adenine (A), and Guanine (G), the four nucleotide bases in RNA. Requires the CHIME plug-in to view the models, or they can be viewed statically in .gif format