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Images Dated 15th August 1997

Choose from 15 pictures in our Images Dated 15th August 1997 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Computer graphic of a human DNA molecule Featured 15 Aug 1997 Image

Computer graphic of a human DNA molecule

Human DNA. Computer molecular graphic of human Deoxyribonucleic Acid (DNA). DNA determines a person's hereditary characteristics. This is the more common beta form of DNA, with its two strands winding clockwise around each other when viewed from above to give a helix shape. The atoms are colour-coded: phosphorus is orange, oxygen is red, carbon is dark blue & nitrogen is light blue; hydrogen is white when it occurs singly, but green when two or more are attached to the same atom. The 2 strands are made of sugar-phosphate groups. They are connected by nitrogen-containing nucleotides. The exact sequence of nucleotides determines the genetic code