pyrimidine
/pɪˈrɪmɪdiːn
/noun [mass noun] Chemistry
1A colourless crystalline compound with basic properties.
- A heteroaromatic compound; chemical formula: C4H4N2.
- The URA3 gene is essential for yeast pyrimidine biosynthesis.
- Our analyses also suggest that the utilization of products of de novo pyrimidine biosynthesis may differ between different cell types.
1.1 (also pyrimidine base) [count noun] A substituted derivative of pyrimidine, especially the bases thymine and cytosine present in DNA.Both of these products involve dimerization of adjacent pyrimidines on the same DNA strand....
- Purines and pyrimidines are considered as complex molecules themselves because they are never synthesized as such in vivo.
- Some introns also have a sequence rich in pyrimidines that adds up to 10 additional bases at the 3’ end.
Origin
Late 19th century: from German Pyrimidin, from pyridine, with the insertion of -im- from imide.
- post-exposure prophylaxis
- postface
- post-fact
- post facto
- postfactor
- post factum
- post-Fascist
- post-febrile
- post-feminism
- post-feminist
- postfemoral
- postfertilization
- post festum
- post-final
- post fine
- postfix
- postfixal
- postfixation
- postflight
- post-Fordism
- post-Fordist
- post-form
- post-formed
- postforming
- post-free