30.0 MB (5.2 MB compressed)
3000 x 3500 pixels
25.4 x 29.7 cm ⏐ 10.0 x 11.7 in (300dpi)
MEHAU KULYK / SCIENCE PHOTO LIBRARY MEHAU KULYK / SCIENCE PHOTO LIBRARY
Genetic code. Conceptual computer artwork of a DNA double helix (strands, down left) with nucleotide base sequences (letters), a woman's face and binary code (zeros and ones). A DNA (deoxyribonucleic acid) helix is composed of two twisting sugar-phosphate molecules linked by pairs of bases. The sequence of base pairs determines the genetic code, the instructions that control and transmit an organism's hereditary traits. There are four types of base: adenine (A), cytosine (C), guanine (G) and thymine (T). Binary code is another method of storing information.
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