BIOM 1103 1st Edition Lecture 10 Outline of Last Lecture II What Is Energy and What Are the Different Types III Entropy IV Energy and Calories V Endergonic and Exergonic Reactions VI ATP VII Enzymes Outline of Current Lecture VIII Oxidation and Reduction IX NAD H X Two Sources for ATP Formation XI Three stages of Cellular Respiration XII Glycolysis XIII Krebs Cycle XIV Electron Transport chemiosmosis Current Lecture Oxidation reduction o Oxidation loss of electrons o Reduction gain of electrons NAD o NAD serves as a cab for electrons it s an electron carrier o NAD oxidized picks up a hydrogen atom and an electron from a food molecule and becomes NADH reduced and now neutral These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute o Formula for Cellular Respiration o C6H12O6 6O2 36ADP 36P 6CO2 6H2O 36 ATP Two Sources of ATP Formation o Substrate level phosphorylation o Chemiosmosis oxidative phosphorylation Three Stages of Cellular Respiration o Glycolysis yields 2 ATP o The Krebs Cycle yields 2 ATP o Electron Transport chemiosmosis yields 32 ATP Glycolysis o o Takes place in cytoplasm o Start with glucose and end with 2 molecules of pyruvic acid o Net gain of 2 ATP and 2 NADH reduced o o Fermentation respiration without oxygen of things like alcohol is a result of glycolysis Krebs Cycle o Takes place in mitochondria o Electron Transport o ATP synthase is powered by the flow of protons from the intermembrane space to the mitochondrial matrix o
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