| − | '''Deoxyribonucleic acid''' (DNA) is an [[organic compound|organic]] [[chemical compound]] made up of [[molecule]]s shaped like a [[double helix]], a continuously twisted ladder. The individual monomeric building blocks of DNA (and other nucleic acids) are [[nucleotide]]s, which themselves consist of three principle moieties: A nitrogenous base, a sugar, and a phosphate group.
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