Tagged NIH

SPACE-FILLED MODEL OF DNA — Made up of the nucleotides adenine and guanine (purines), cytosine and thymine (pyrimidines). The dashes between the hydrogens, oxygens and nitrogens refer to hydrogen bonds that bind DNA together and ultimately form the 3D structure of the double helix

National DNA day unfolds with pomp

NIH celebrates discovery of double-helix as well as the completion of the human genome project   The double helix structure of deoxyribonucleic acid’s (DNA) is one of the most wellknown hallmarks of modern science, particularly among the biological sciences. On April 25, 1953, the structure of DNA was revealed to the public at large in…