How Is Pyruvate Being Prepared For The Tricarboxylic Acid Cycle?

How Is Pyruvate Being Prepared For The Tricarboxylic Acid Cycle? How pyruvate from glycolysis is converted to acetyl CoA so it can enter the citric acid cycle. Pyruvate is modified by removal of a carboxyl group followed by oxidation, and then attached to Coenzyme A. How does pyruvate become pyruvic acid? Pyruvic acid is formed