Coin marks DNA anniversary.A COIN to mark the 50th anniversary of DNA's discovery was being launched today. Millions of a special pounds 2 piece, featuring a picture of the double helix double helix n. The coiled structure of a double-stranded DNA molecule in which strands linked by hydrogen bonds form a spiral configuration. Also called DNA helix, Watson-Crick helix. structure of two strands twisted around each other, were going into circulation. The Royal Mint hopes they will remind people of the significance of the findings by scientists Francis Crick and James Watson. The discovery of DNA DNA: see nucleic acid. DNA or deoxyribonucleic acid One of two types of nucleic acid (the other is RNA); a complex organic compound found in all living cells and many viruses. It is the chemical substance of genes. was one of the last century's most important scientific breakthroughs and key to the fight to stop genetic diseases. On the edge of the coin, designed by sculptor John Mills, are the words DNA stand for - deoxyribonucleic acid. |
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