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So all is not fine about DNA s discovery, we have to be very careful about the ill uses of this technology. DNA, the acronym for Deoxyribonucleic Acid, stands for the key foundation on which the structure of life is built.
DNA (2â²-deoxyribonucleic acid) is the molecular store of genetic information in nearly all living systems. It is a large polymeric molecule composed of monomers known as nucleotides. Each nucleotide consists of a heterocyclic base, a pentose sugar (2â²-deoxy-d-ribofuranose), and a phosphate group. There are four heterocyclic bases in DNA: adenine (A), guanine (G), cytosine (C) and thymine (T). Their structures and numbering system are shown in Figure 1.