Definition of ubiquinone in English:

ubiquinone

Syllabification: u·bi·qui·none
Pronunciation: /yo͞oˈbikwəˌnōn
 
/

noun

Biochemistry
  • Any of a class of compounds that occur in all living cells and that act as electron-transfer agents in cell respiration. They are substituted quinones.
    More example sentences
    • The regulation of this biosynthetic pathway at the mitochondrial level depends on the ubiquinone, the alternative oxidase and a species-specific uncoupling protein.
    • Antioxidant compounds such as vitamins C and E, lipoic acid, ubiquinones, superoxide dismutase, catalase, and glucathione peroxidase can limit oxidative damage.
    • Interactions of organic molecules such as dihydropyridines, ubiquinone, tryptophan, and halothane with lipid bilayers have been studied through molecular dynamics simulations.

Origin

1950s: blend of ubiquitous and quinone.

More definitions of ubiquinone

Definition of ubiquinone in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody