How many carbon atoms are fed into the citric acid cycle as a result of the oxidation of one molecule of pyruvate? Naim 12:00 AP Biology Chapter 9 How many carbon atoms are fed into the citric acid cycle as a result of the oxidation of one molecule of pyruvate? A. 2 B. 4 C. 6 D. 8 E. 10 Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+