51.1 MB (1,010.2 KB compressed)
3555 x 5028 pixels
30.0 x 42.7 cm ⏐ 11.8 x 16.8 in (300dpi)
ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY
DNA molecules. Computer artwork showing double stranded DNA (deoxyribonucleic acid) molecules. DNA is composed of two strands (silver) twisted into a double helix. Each strand consists of a sugar-phosphate backbone attached to nucleotide bases (spheres). There are four bases: adenine, cytosine, guanine and thymine. The bases are joined together by hydrogen bonds (rods, between spheres). DNA contains sections called genes that encode the body's genetic information.
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