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Citric acid cycle

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Anatomy and Physiology I

Definition

The citric acid cycle, also known as the Krebs cycle or tricarboxylic acid (TCA) cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide. It is a crucial part of cellular respiration in the metabolism and nutrition chapter, under the topic of carbohydrate metabolism.

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