A quinone compound that serves as an electron carrier between flavoproteins and in cellular respiration.
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.
Any of various fat-soluble quinone compounds found in most aerobic organisms and serving as electron carriers in cellular respiration.
Other Word Forms
Origin of ubiquinone
- Blend of ubiquitous (from its widespread distribution) quinone
From American Heritage Dictionary of the English Language, 5th Edition