DNA nucleotides, computer artwork. Section of a double stranded DNA (deoxyribonucleic acid) molecule showing the molecular structure of adenine (A) an

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DNA nucleotides, computer artwork. Section of a double stranded DNA (deoxyribonucleic acid) molecule showing the molecular structure of adenine (A) and thymine (T) bonded together. DNA is composed of two strands twisted into a double helix. Each strand consists of a sugar-phosphate backbone (far left and right) attached to nucleotide bases (centre left and right). There are four bases: adenine, thymine, guanine and cytosine, which join together with hydrogen bonds (centre, lines). Thymine always pairs with adenine, and guanine always with cytosine. For the labelled diagram see image: C008/8699.

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Size: 5000px × 3528px
Photo credit: © FRANCIS LEROY, BIOCOSMOS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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