
Computer Graphic Of Beta-dna

by Science Photo Library
Title
Computer Graphic Of Beta-dna
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
DNA. Computer graphic representation of a part of a strand of the beta form of deoxyribonucleic acid (DNA). A DNA molecule is composed of two interwound complimentary strands twisted into a helical shape, the famous 'double helix'. Each strand alternates a sugar group with a phosphate group. The two strands are cross-linked by pairs of bases, of which there are four types. Each pair of bases is linked by hydrogen bonds. The key to DNA's ability to replicate is that base pairing is specific: adenine always bonds with thymine and guanine always to cytosine.
Uploaded
September 27th, 2018
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