what is the name of the sugar in the mrna nucleotides?
In RNA the base thymine does not occur, its place being taken by uracil. The nucleoside is uridine, and the nucleotide uridylic acid. 12 people found this useful. 1  Nucleotide Bases Nucleotide bases are heterocyclic atoms composed of nitrogen, a phosphate group, and a five-carbon sugar.
DNA differs from RNA: (1) It is composed of deoxyribonucleotides. (2) The ribose sugar in a deoxyribonucleotide is does not have a hydroxyl group at the 2' carbon position. (3) Uracil does not appear (normally) as a base in DNA; instead thymine (5-methyluracil) appears.