ADP ATP and Cellular Respira

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1、ADP,ATPandCellularRespirationCopyrightCmassengaleWhatIsATP?EnergyusedbyallCellsAdenosineTriphosphateOrganicmoleculecontaininghigh-energyPhosphatebondsCopyrightCmassengaleChemicalStructureofATP3PhosphatesRiboseSugarAdenineBaseCopyrightCmassengaleWhatDoesATPD

2、oforYou?ItsuppliesYOUwithENERGY!CopyrightCmassengaleHowDoWeGetEnergyFromATP?Bybreakingthehigh-energybondsbetweenthelasttwophosphatesinATPCopyrightCmassengaleWhatistheProcessCalled?HYDROLYSIS(AddingH2O)H2OCopyrightCmassengaleHowDoesThatHappen?ATPaseAnEnzyme!

3、CopyrightCmassengaleHowisATPRe-Made?Thereverseofthepreviousprocessoccurs.AnotherEnzymeisused!ATPSynthetaseCopyrightCmassengaleTheADP-ATPCycleATP-aseATPSynthetaseCopyrightCmassengaleWhenisATPMadeintheBody?DuringaProcesscalledCellularRespirationthattakesplace

4、inbothPlants&AnimalsCopyrightCmassengaleCellularRespirationIncludespathwaysthatrequireoxygenGlucoseisoxidizedandO2isreducedGlucosebreakdownisthereforeanoxidation-reductionreactionBreakdownofoneglucoseresultsin36to38ATPmoleculesCopyrightCmassengaleOverallEqu

5、ationforCellularRespiration6CO2+6H20+e-+36-38ATP’sC6H12O6+6O2YIELDSCopyrightCmassengaleWhatTypeofProcessisCellularRespiration?AnOxidation-ReductionProcessorREDOXReactionOxidationofGLUCOSE-->CO2+H2O(e-removedfromC6H12O6)Reduction O2to H2O(e-passedtoO2)Copyri

6、ghtCmassengaleWhatCarriestheElectrons?NAD+(nicotinadeninedinucleotide)actsastheenergycarrierNAD+isacoenzymeIt’sReducedtoNADHwhenitpicksuptwoelectronsandonehydrogenionCopyrightCmassengaleAreThereAnyOtherElectronCarriers?YES!AnotherCoenzyme!FAD+(Flavinadenine

7、dinucleotide)ReducedtoFADH2CopyrightCmassengaleOtherCellularRespirationFactsMetabolicPathwaythatbreaksdowncarbohydratesProcessisExergonicasHigh-energyGlucoseisbrokenintoCO2andH2OProcessisalsoCatabolicbecauselargerGlucosebreaksintosmallermoleculesCopyrightCm

8、assengaleWhataretheStagesofCellularRespiration?GlycolysisTheKrebsCycleTheElectronTransportChainCopyrightCmassengaleWhereDoesCellularRespirationTakePlace?Itactuallytakesplaceintwopartsofthecell:Glycolys