77.2 MB (4.9 MB compressed)
6000 x 4500 pixels
50.8 x 38.1 cm ⏐ 20.0 x 15.0 in (300dpi)
ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
DNA molecule. Computer artwork of the structure of deoxyribonucleic acid (DNA). DNA is composed of two strands twisted into a double helix. Each strand consists of a sugar-phosphate backbone (red, yellow, green and white) attached to nucleotide bases (blue and white). There are four different bases: guanine, cytosine, thymine and adenine. DNA contains sections called genes, which encode the body's genetic information.
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