In the absence of oxygen, hydrogen atoms generated by glycolysis are donated to organic molecules in a process called Naim 10:29 Cell Energetics and Division In the absence of oxygen, hydrogen atoms generated by glycolysis are donated to organic molecules in a process called A. fermentation. B. decarboxylation. C. chemiosmosis. D. electron transport chain reactions. E. acetyl-CoA formation. Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+