Physiology Archive

The second stage of respiration is the complete oxidation of pyruvate to CO2 and water through a series of reactions known as the citric acid cycle (CAC). The citric acid cycle is also known as the tricarboxylic acid (TCA) cycle …

The first stage of respiratory carbon metabolism is a group of reactions by which hexose sugars undergo a partial oxidation to the three-carbon acid pyruvic acid or pyruvate. Occurrence: These reactions, collectively known as glycolysis, are catalyzed by enzymes located …