50.2 MB (1.4 MB compressed)
4835 x 3626 pixels
40.9 x 30.7 cm ⏐ 16.1 x 12.1 in (300dpi)
SCI-COMM STUDIOS / SCIENCE PHOTO LIBRARY SCI-COMM STUDIOS / SCIENCE PHOTO LIBRARY
Computer artwork of DNA (deoxyribonucleic acid) nucleotides, or bases. DNA is composed of four nucleotides: adenine (bottom), cytosine (top), guanine (left) and thymine (right). These make up the genetic code of every living organism. Long rows of nucleotides join by base pairing and coil into a double-helix shape. Adenine only pairs with thymine, and guanine only pairs with cytosine.
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