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30.0 MB (671.4 KB compressed)
3854 x 2725 pixels
32.5 x 23.1 cm ⏐ 12.8 x 9.1 in (300dpi)
ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY
DNA molecules. Computer artwork of molecules of DNA (deoxyribonucleic acid). DNA is composed of two strands (outside) 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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