This acetyl-CoA is used in the citric acid cycle, generating NAD+. These monosaccharides are then used in the glycolysis to produce acetyl-CoA. Many hormones such as adrenaline, cortisol, and glucagon are also involved in this process.ĭuring digestion, complex macromolecules like starch, fats, and proteins from the diet are taken up and broken down into small units like monosaccharides, fatty acids, and amino acids, respectively by digestive enzymes. Catabolic reactions are considered to produce ATP energy required by the anabolic reactions.ĭuring catabolism, waste products like urea, ammonia, lactic acid, acetic acid and carbon dioxide are also produced. The small units of molecules produced in the catabolism can be either used to release energy by oxidation or as precursors in other anabolic reactions. Thus, these reactions are considered as exergonic processes. Catabolic reactions release heat as well as energy in the form of ATP. The set of reactions which breaks down complex molecules into small units is referred to as catabolism. What is the difference between Catabolism and Metabolism – Definition, Processes, Stages, Functionģ. The main difference between catabolism and metabolism is that catabolism consists of destructive biochemical reactions which occur in the organism whereas metabolism consists of the whole set of biochemical reactions in the organism, which can be either constructive or destructive. ![]() Anabolism is also included in the metabolism. Metabolism is the whole set of biochemical reactions that occur inside an organism, including catabolism. Energy is released during the process of catabolism, which can be readily used in other cellular processes. ![]() Catabolism is the set of biochemical reactions, which are involved in the breaking down of complex molecules in the body into small units. ![]() Main Difference – Catabolism vs MetabolismĬatabolism and metabolism refer to a collection of biochemical reactions, which occur in the body.
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