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[mass noun] A compound formed by partial hydrolysis of RNA. It is a nucleoside containing uracil linked to ribose.
- ‘In addition, uridine influences the levels of neurotransmitters such as dopamine and norphinephrine.’
- ‘These studies show that sucrose breakdown and starch synthesis are restricted by the levels of adenine and uridine nucleotide cofactors.’
- ‘Arginine, uridine, and uracil were added as needed.’
- ‘Cells were allowed to recover in two different media selective for respiratory function: a medium rich in glucose but lacking uridine, and a more stringent one in which glucose was substituted with galactose as a carbon source.’
- ‘The nucleotide uridine is never found in DNA and thymine is almost exclusively found in DNA.’
Early 20th century: from ur(acil) + -ide + -ine.
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