Nucleoside: A compound consisting of a nitrogenous base attached to a sugar molecule, which is a building block of nucleic acids. Nucleoside analogue: A modified version of a nucleoside that can ...

Nucleoside analogues are modified versions of natural nucleosides, which are the building blocks of nucleic acids like DNA and RNA. These analogues have gained significant attention in medicinal ...

(Image: Public Domain) Uracil was first discovered in 1900 by the Italian chemist Alberto Ascoli, who isolated it from yeast nucleic acids. However ... occurs when a single nucleotide is changed. In ...