![](http://www.alamy.com/thumbs/6/E3F2FA45-F6FE-4BCE-A6E9-C79FB41D7109/DR1G63.jpg)
A space-filling model of DNA showing the double-helix structure.
A model showing the double-helix spirals of DNA twisting around a central axis. The DNA is made from carbon atoms (black), oxygen atoms (red), hydrogen atoms (white) and nitrogen atoms (blue).
Size: 3448px × 5178px
Photo credit: © David Taylor / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: acid, atoms, biochemical, biochemistry, biological, biology, chain, chains, chemical, chemistry, covalent, deoxyribonucleic, dna, double, gene, genetic, genetics, helix, medical, model, molecular, molecule, nucleic, nucleotide, nucleotides, peptide, spiral