The TCA cycle, also known as the citric acid cycle or Krebs cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins. This cycle plays a central role in cellular respiration and metabolic processes, linking various metabolic pathways and facilitating the production of ATP and reducing equivalents like NADH and FADH2.
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