BIOL 1361 Lecture Notes - Lecture 10: Pyruvic Acid, Oxidative Phosphorylation, Riboflavin
5 Oct 2017
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Thursday, september 28, 2017: cellular respiration transfers energy from electrons in the covalent bonds of sugars, fats, and proteins to atp, all types of cells perform cellular respiration. Citric acid cycle (if nal electron acceptor available) Electron transport (if nal electron acceptor available) Glucose polymer made in animal cells: liver and muscle cells. Fuel storage: fats, glycerol with three fatty acids bonded to it, stored in cells as triglycerides. Glycerol with three fatty acids: metabolic fuel. Glycerol can be converted to glyceraldehyde-3-p and enter glycolysis. Fatty acids can be converted to acetyl co-a and enter the citric acid cycle: proteins. Has donated electrons: nadh is the reduced state. Has accepted electrons (along with a proton = :h-) Biol 1361: fad, flavin adenine dinucleotide, building block: ribo avin (vitamin b2, fad is the oxidized state. Has the donated electrons: fadh2 is the reduced state. Pyruvate is transported into mitochondria and oxidized. Fermentation: in absence of o2, fermentation occurs in the cytoplasm.
