Nucleic acids are formed by sequences of nucleotides.
Nucleotides are constituted by one molecule of sugar (deoxyribose in DNA and ribose in RNA) bound to one molecule of phosphate and to one nitrogen-containing base (adenine, uracil, cytosine or guanine, in RNA, and adenine, thymine, cytosine and guanine, in DNA).
Dec 24th, 2014
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