1. any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration; [syn: ubiquinone, coenzyme Q]
WordNet (r) 3.0 (2006):
ubiquinone
n 1: any of several quinones found in living cells and that
function as coenzymes that transfer electrons from one
molecule to another in cell respiration [syn: ubiquinone,
coenzyme Q]