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Natural Health Glossary
Medical Terms, Therapies, Accreditation

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deoxyribonucleic acid (dna)
A nucleic acid found in the nucleus of a cell and consisting of a polymer formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules".

DNA is the material which carries the hereditary instructions (the "blueprint") that determine the formation of all living organisms. Genes, the organizers of inheritance, are composed of DNA.

It is 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 antiparallel strands are held together by hydrogen bonds between adeninethymine and cytosine-guanine.

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