ubiquinone

World English Dictionary
ubiquinone (juːˈbɪkwɪˌnəʊn)
 
n
another name for coenzyme Q

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

ubiquinone u·bi·qui·none (yōō'bĭ-kwĭ-nōn', yōō-bĭk'wə-nōn')
n.
A quinone compound that serves as an electron carrier between various flavoproteins and in cellular respiration.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
ubiquinone   (y'bĭ-kwĭ-nōn')  Pronunciation Key 
Any of various fat-soluble quinone compounds found in most aerobic organisms and serving as electron carriers in cellular respiration. Also called coenzyme Q.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

ubiquinone

any of several members of a series of organic compounds belonging to a class called quinones. Widely distributed in plants, animals, and microorganisms, ubiquinones function in conjunction with enzymes in cellular respiration (i.e., oxidation-reduction processes). The naturally occurring ubiquinones differ from each other only slightly in chemical structure, depending on the source, the structures resembling those of the fat-soluble vitamin K and certain derivatives of vitamin E.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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