DNA molecule in a petri dish, computer artwork. DNA (deoxyribonucleic acid) forms a shape called a double helix, which is like a twisted ladder. The u

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DNA molecule in a petri dish, computer artwork. DNA (deoxyribonucleic acid) forms a shape called a double helix, which is like a twisted ladder. The uprights of the ladder are sugar-phosphate backbones, and the rungs are paired nucleotide bases. The bases come in 4 varieties, adenine, guanine, thymine and cytosine. The order of the base pairs is a code which carries the body's genetic information in sections called genes.

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Size: 4078px × 5669px
Photo credit: © VICTOR de SCHWANBERG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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