Which of the following describes ubiquinone? Naim 15:17 AP Biology Chapter 9 Which of the following describes ubiquinone? A. A protein in the electron transport chain B. A small hydrophobic coenzyme C. A substrate for synthesis of FADH D. A vitamin needed for efficient glycolysis E. An essential amino acid Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+