A ribonucleoside is a type of nucleoside including ribose as a component. They are analogous to the nucleosides that, along with a phosphate group, form nucleotides that are the functional units of DNA; however, ribonucleosides are principal components of RNA. These form ribonucleotides with the addition of a phosphate group, which chain to form a molecule of RNA. Deoxyribonucleosides (or simply nucleosides) are synthesised from ribonucleosides through a series of reactions.
A ribonucleoside is a type of nucleoside including ribose as a component. They are analogous to the nucleosides that, along with a phosphate group, form nucleotides that are the functional units of DNA; however, ribonucleosides are principal components of RNA. These form ribonucleotides with the addition of a phosphate group, which chain to form a molecule of RNA. Deoxyribonucleosides (or simply nucleosides) are synthesised from ribonucleosides through a series of reactions.
Source: Wikipedia "Ribonucleoside" · CC BY-SA 4.0
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