?:definition
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The cellular DNA metabolic process resulting in the formation of DNA, deoxyribonucleic acid, one of the two main types of nucleic acid, consisting of a long unbranched macromolecule formed from one or two strands of linked deoxyribonucleotides, the 3\'-phosphate group of each constituent deoxyribonucleotide being joined in 3\',5\'-phosphodiester linkage to the 5\'-hydroxyl group of the deoxyribose moiety of the next one. [GOC:mah]
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