Phosphate: a phosphate group which is acidic and negatively charged part of nucleic acids, , Sugar: a sugar with five carbons atoms is a pentose sugar, , Base: a base that contains nitrogen and has either one or two rings of atoms in its structure, , Simple diagram of a nucleotide: , Base and phosphate are linked by covalent bonds, circle represent a phosphate, pentagon represents the sugar, rectangle represents the base,

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