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Any of a family of fat-soluble quinone compounds that are found in the membranes of eukaryotic cells, especially in mitochondria, and serve as electron carriers in cellular respiration and other processes. Also called coenzyme Q.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biochemistry) another name for coenzyme Q
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||ubiquinone - any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration|
biochemistry - the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry
coenzyme - a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
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