Krebs cycle

TCA cycle

The citric acid cycle (Krebs cycle or tricarboxylic acid—TCA cycle)

  • It is the most important metabolic pathway for the energy supply to the body.

  • About 65-70% of the ATP is synthesized in the Krebs cycle.

  • The citric acid cycle essentially involves the oxidation of acetyl CoA to CO2 and H2O.


U Satyanaran, U Chakrapani ,(5th edition); Biochemistry (254-256)