dna structure double helix on black. nucleotide, phosphate, sugar, and bases. education info graphic. adenine, thymine, gua

abstract acid adenine analysis anatomy and atom background base bases biology biotechnology black bright cell chemistry chromosome code cytosine design diagram digital dna double education element energy gene genetic graphic gua guanine health helix human illustration info information isolated laboratory life medical medicine model molecular molecule nucleotide phosphate research science scientific spiral structure sugar symbol tech technology thymine uracil white