TCA Cycle
aka Krebs Cycle and Citric Acid Cycle
Occurs inside mitochondria (the matrix)
Overall reaction:
Acetyl-CoA + 3 NAD+ + CoQ + GDP + Pi

2 CO2 + 3 NADH + CoQH2 + GTP + CoASH
Bridging reaction required that converts
pyruvate to acetyl-CoA.