Look up: DNA (Deoxyribonucleic acid)

1. DNA (Deoxyribonucleic acid)
   An organic acid and polymer composed of four nitrogenous bases--adenine, thymine, cytosine, and guanine linked via intervening units of phosphate and the pentose sugar deoxyribose. DNA is the genetic material of most organisms and usually exists as a double-stranded molecule in which two antiparalle...
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2. DNA (deoxyribonucleic acid)
   Primary genetic material; complex substance of which genes are made within chromosomes. Each DNA molecule consists of two connected spiral strands in the shape of a double helix (like a twisted ladder). The biological information tape that stores genetic information in organisms and transmits it from generation to generation.
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3. DNA (deoxyribonucleic acid)
   A two-stranded molecule that contains the genes, or blueprints, for the makeup of a person`s body.
   Found on http://www.emdn-mitonet.co.uk/glossary.h
   
   
4. DNA (Deoxyribonucleic acid)
   The genetic material present in our cells which carries vital information on cell growth, division and function.
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