释义 |
ubiquinone Biochem.|juːˈbɪkwɪnəʊn, ˌjuːbɪˈkwɪnəʊn, -kwɪˈnəʊn| [Blend of ubiquitous a. and quinone.] Any of a class of dimethoxy-, methyl-, and polyisoprenyl-substituted quinones, (the number of isoprene units depending upon the biological source) which act as electron-transfer agents in cell respiration.
1958R. A. Morton et al. in Biochem. Jrnl. LXVIII. 16p/2 Because of its widespread distribution..and properties, the name ubiquinone is proposed. 1979Biochimica & Biophysica Acta DLXXXII. 400 The ubiquinones in malaria parasites..differ from those in mammalian cells. 1982M. 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. |