ubiquinonen.

Brit.

/juːˈbɪkwᵻnəʊn/,

/juːbᵻˈkwɪnəʊn/, U.S.

/juˈbɪkwəˌnoʊn/,

/ˌjubəˈkwɪˌnoʊn/

Origin: Formed within English, by blending. Etymons: ubiquitous adj., quinone n.

Etymology: Blend of ubiquitous adj. and quinone n. For the semantic motivation, compare quot. 1958.

Biochemistry.

Any of a class of substituted quinones present in most eukaryotic cells, which act as electron-transfer agents in cell respiration. Ubiquinones have a 1,4-benzoquinone nucleus with a number of substituents: one methyl and two methoxy groups and a chain containing a variable number of isoprene units.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic compounds > [adjective] > cyclic compounds > quinones

quinonoid1878

quinoid1894

quinoidal1905

ubiquinone1958

1958 R. A. Morton et al. in Biochem. Jrnl. 28 16 p/2 Because of its widespread distribution..and properties, the name ubiquinone is proposed.

1979 Biochimica et Biophysica Acta 582 400 The ubiquinones in malaria parasites..differ from those in mammalian cells.

1982 M. S. Olson in T. M. Devlin Textbk. Biochem. vi. 310 The final component of the mitochondrial respiratory chain, which is neither a nucleotide species nor a protein, is a lipophilic electron carrier called coenzyme Q or ubiquinone.

2009 W. G. Hopkins & N. P. A. Hüner Introd. Plant Physiol. (ed. 4) x. 184/1 Ubiquinone is a benzoquinone—its structure and function are similar to the plastoquinone found in..chloroplasts.

This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	ubiquinone
释义	ubiquinonen. Brit. /juːˈbɪkwᵻnəʊn/, /juːbᵻˈkwɪnəʊn/, U.S. /juˈbɪkwəˌnoʊn/, /ˌjubəˈkwɪˌnoʊn/ Origin: Formed within English, by blending. Etymons: ubiquitous adj., quinone n. Etymology: Blend of ubiquitous adj. and quinone n. For the semantic motivation, compare quot. 1958. Biochemistry. Any of a class of substituted quinones present in most eukaryotic cells, which act as electron-transfer agents in cell respiration. Ubiquinones have a 1,4-benzoquinone nucleus with a number of substituents: one methyl and two methoxy groups and a chain containing a variable number of isoprene units. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [adjective] > cyclic compounds > quinones quinonoid1878 quinoid1894 quinoidal1905 ubiquinone1958 1958 R. A. Morton et al. in Biochem. Jrnl. 28 16 p/2 Because of its widespread distribution..and properties, the name ubiquinone is proposed. 1979 Biochimica et Biophysica Acta 582 400 The ubiquinones in malaria parasites..differ from those in mammalian cells. 1982 M. S. Olson in T. M. Devlin Textbk. Biochem. vi. 310 The final component of the mitochondrial respiratory chain, which is neither a nucleotide species nor a protein, is a lipophilic electron carrier called coenzyme Q or ubiquinone. 2009 W. G. Hopkins & N. P. A. Hüner Introd. Plant Physiol. (ed. 4) x. 184/1 Ubiquinone is a benzoquinone—its structure and function are similar to the plastoquinone found in..chloroplasts. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.1958
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