线粒体结构课件.ppt

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1、Howmitochondriaprovideenergyforanimalcells？汇报人：刘雨婷指导教师：曾宪录老师学号：2013013194ThefunctionofmitochondriaThereareallenzymeaboutTCA inmitochondrialmatrix.AndthereareRespiratorychainenzymesystem andATPsynthaseinmitochondrialinnermembrane.Inanimalcells,mitochondriaprovidethebulkoftheenergy.Thr

2、oughasetofreactionsthatoccurinthecytosol,energyderivedfromthepartialoxidationofenergy-richcarbohydratemoleculesisusedtoformATP,thechemicalenergycurrencyofcells.Themitochondriatendtobealignedalongmicrotubules.The distribution of mitochondria in the cellThe distribution of mitochondria

3、 in the cellMitochondrial distributions in wheredemandhigh energy .Thestructureof the mitochondriaThestructureof the mitochondriaThemitochondrioncontainsanoutermembrane,aninnermembrane,andtwointernalcompartments.Mechanismofmitochondrialenergygeneration:Chemiosmticcouplingenergygenera

4、tingmetabolisminmitochondriaAselectronsmovealongtherespiratorychain,energyisstoredasanelectrochemicalprotongradientacrosstheinnermembrane.TheprotongradientdrivesATPsynthesis.Thecitricacidcyclegenerateshigh-energyelectrons.NADHtransfersitselectronstooxygenthroughthreelargerespiratorye

5、nzymecomplexes.EnergygeneratingmetabolisminmitochondriaEnergygeneratingmetabolisminmitochondriaEnergygeneratingmetabolisminmitochondriaEnergygeneratingmetabolisminmitochondriaEnergygeneratingmetabolisminmitochondriaEnergygeneratingmetabolisminmitochondriaProtongradientproducemostofth

6、ecell’sATPBacteriaalsoexploitchemiosmoticmechanismstoharnessTHANKS