Physiology 2130 Lecture Notes - Lecture 16: Citric Acid Cycle, Adipose Tissue, Oxidative Phosphorylation
25 May 2016
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Module 16: metabolism | page 1 of 5. Fats, carbs, and proteins are used for energy or to build structures. Once in body, some may partially reform while others stay as building blocks. Glucose, free fatty acids, and amino acids can be used to create energy. There are three primary chemical reactions that take place within the cell to produce energy from the breakdown of food molecules: glycolysis (glycolytic patheway): series of reactions in cytoplasm that do not require oxygen (anaerobic) Produces 2 molecules of atp very quickly from one molecule of glucose: citric acid cycle (cac or krebs cycle): takes place in mitochondria and requires presence of oxygen (aerobic) Produces 2 molecules of atp per molecule of glucose: oxidative phosphorylation (electron transport chain): closely linked to cac; occurs in mitochondria and requires oxygen (aerobic) Produces 34 molecules of atp per molecule of glucose. Module 16: metabolism | page 2 of 5.
