noun
- A nucleoside consisting of cytosine linked to a ribose sugar; a building block of RNA.
Usage: biochemistry; molecular biology
Examples
- Cytidine is one of the four nucleosides found in RNA molecules.
- The enzyme catalyzes the conversion of cytidine to other nucleotide derivatives.
- Cytidine triphosphate is an important cofactor in many metabolic pathways.
- Researchers studied how cytidine levels affect gene expression in cells.
- The structure of cytidine includes a cytosine base attached to a five-carbon ribose sugar.