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nucleic acids

are very long thread like macromolecules of alternating sugar and phosphate molecu; es(forming backbone) with a nitrogenous base attached to each sugar molecule along thestrand

nitrogenous base

either cytosine, guanine, adenine, thymine or uracil

DNA

deoxyribonucleic acid

RNA

ribonucleic acid

Nucleic acids

information molecules of cells which fulfil this role throughout the living world - the genetic code is a universal one