DNA
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DNA (deoxyribonucleic acid) is a nucleic acid; it contains the information necessary for RNA (ribonucleic acid) and proteins biosynthesis 1.
Chemical strutture
DNA is made up of two double-stranded polynucleotide chains. Each nucleotide consists of a pentose, 2'-deoxyribose-deoxy-D-ribose, to which the nitrogenous base and a phosphate group are covalently linked (N-glycosidic and phosphodiestericphosphoester respectively). The nucleotides, in turn, are held together by "bridging" chemical bonds between the sugar molecules (phosphodiesteric chemical bond) 2.
-<p><strong>DNA</strong> (deoxyribonucleic acid) is a nucleic acid; it contains the information necessary for RNA (ribonucleic acid) and proteins biosynthesis <sup>1</sup>.</p><h5>Chemical strutture</h5><p>DNA is made up of two double-stranded polynucleotide chains. Each nucleotide consists of a pentose, 2'-deoxyribose, to which the nitrogenous base and a phosphate group are covalently linked (N-glycosidic and phosphodiesteric respectively).</p>- +<p><strong>DNA</strong> (deoxyribonucleic acid) is a nucleic acid; it contains the information necessary for RNA (ribonucleic acid) and proteins biosynthesis <sup>1</sup>.</p><h5>Chemical strutture</h5><p>DNA is made up of two double-stranded polynucleotide chains. Each nucleotide consists of a pentose, 2-deoxy-D-ribose, to which the nitrogenous base and a phosphate group are covalently linked (N-glycosidic and phosphoester respectively). The nucleotides, in turn, are held together by "bridging" chemical bonds between the sugar molecules (phosphodiesteric chemical bond) 2.</p>
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