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Bookmark or Share- What is DNA? - Genetics Home Reference - NIHDNA is a double helix formed by base pairs attached to a sugar-phosphate backbone. The National Human Genome Research Institute fact sheet Deoxyribonucleic Acid (DNA) provides an introduction to this molecule. Information about the genetic code and the structure of the DNA double helix is available from GeneEd.
- Dna | Define Dna at Dictionary.comDna definition, deoxyribonucleic acid: an extremely long macromolecule that is the main component of chromosomes and is the material that transfers genetic characteristics in all life forms, constructed of two nucleotide strands coiled around each other in a ladderlike arrangement with the sidepieces composed of alternating phosphate and deoxyribose units and the rungs composed of the purine ...
- DNA | Discovery, Function, Facts, & Structure | Britannica.comWritten By: DNA, abbreviation of deoxyribonucleic acid, organic chemical of complex molecular structure that is found in all prokaryotic and eukaryotic cells and in many viruses. DNA codes genetic information for the transmission of inherited traits.
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- DNA - Simple English Wikipedia, the free encyclopediaDNA, short for deoxyribonucleic acid, is the molecule that contains the genetic code of organisms. This includes animals, plants, protists, archaea and bacteria. DNA is in each cell in the organism and tells cells what proteins to make. Mostly, these proteins are enzymes.
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