The pyruvate dehydrogenase complex oxidizes and cleaves pyruvate to form one CO2 and Microbiology The pyruvate dehydrogenase complex oxidizes and cleaves pyruvate to form one CO2 and A. lactate. B. isocitric acid. C. acetyl-CoA. D. succinyl-CoA. Answer: C Share this Share on FacebookTweet on TwitterPlus on Google+