The citric acid cycle, also called the TCA or Krebs cycle, is a core metabolic pathway and a high-yield MCAT topic. It converts acetyl-CoA into ATP, NADH, and FADH2 through a sequence of enzyme-driven ...

Beyond their role as the cell’s powerhouses, mitochondria are dynamic signaling hubs that influence immunity, stress responses, and even genetic regulation. The citric acid cycle not only fuels ATP ...