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Nucleotide are of 2 type.DNA(deoxy ribose sugar molecule),RNA(ribose sugar molecule)DNA consists of phosphate molecule,nucleic base(A,T,G,C) and sugar molecule.Devi.R Â· 7 years ago.ucleotide are of 2 type.DNA(deoxy ribose sugar molecule),RNA(ribose sugar molecule)DNA consists of phosphate molecule,nucleic base(A,T,G,C) and sugar molecule. Devi.R Â· 7 years ago.
Like DNA, RNA polymers are make up of chains of nucleotides. These nucleotides have three parts: 1) a five carbon ribose sugar, 2) a phosphate molecule and 3) one of four nitrogenous bases: adenine, guanine, cytosine or uracil. RNA nucleotides form polymers of alternating ribose and phosphate units linked by a phosphodiester bridge between the #3 and #5 carbons of neighboring ribose molecules. RNA nucleotides differ from DNA nucleotides by the presence of a hydroxyl group linked to the #2 carbon of the sugar.