DNA (100 images)

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PICTURES OF DNA MOLECULES: DNA, or Deoxyribonucleic Acid, is the famous double helix or twisted ladder whose structure was worked out by Watson & Crick. DNA is the most complex molecule known. It has a two strands of alternating sugar and phosphate and these are joined (like rungs in a ladder) by pairs of bases. Bases interlock in a fixed way to form these base pairs and so each strand of the double helix mirrors the information in the other. This information (the base sequence) is how...
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