Notes for week 5
Notes for week 5 Bio106
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This 2 page Class Notes was uploaded by Michael Hummel on Friday February 13, 2015. The Class Notes belongs to Bio106 at Washington State University taught by Dr Asaph Cousins in Fall. Since its upload, it has received 67 views. For similar materials see Biology 106 in Biology at Washington State University.
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Date Created: 02/13/15
Free EnergyG the portion of the system s energy that can perform work Change in Free Energy Can predict if a process is spontaneous energetically favorable AGAH TAS AGG G final state initial state In a spontaneous change The free energy of the system decreases AG lt O The system becomes more stable The released free energy can be harnessed to do work An exothermic reaction proceeds with a net release of free energy and is spontaneous An endothermic reaction absorbs free energy from its surroundings and is non spontaneous Glycolysis splitting of sugar breaks down glucose into two molecules of pyruvate Occurs in the cytoplasm and has two major phases Energy investment phase Energy payoff phase Glycolysis occurs whether or not 02 is present Glycolosis breaks down glucose into two molecules of pyruvate The citric acidd cycle completes the breakdown of glucose Oxidative phosphorylation accounts for most of the ATP synthesis Mitochondrial The electron transport chin is in the inner membrane of the mitchondrian Most of the chains components are proteins which exist in multi protein complexes The carriers alternate reduced and oxidized states as they accept and donate electrons Electrons drop in free energy as they go down the chain and are finally passed to 02 forming H20 During cellular respiration most energy flows in this sequence glucose gt NADH gt electron transport chain gt protonmotive force gt ATP About 34 of the energy in a glucose molecule is transferred to ATP during cellular respiration making about 32 ATP There are several reasons why the number of ATP is not known exactly
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