Photosynthesis PDF

PHOTOSYNTHESIS Chloroplast membrane outermembrane freely permeable to smallmolecul inner innermembrane impermeable to ions and thylakoid...

PHOTOSYNTHESIS Chloroplast membrane outermembrane freely permeable to smallmolecul inner innermembrane impermeable to ions and thylakoid metabolites canonlyenterchloropla via specificmembranetransporters membrane stoma thylakoid disk like structureforoptimalsurface area absorbsunlightforphotosynthesis f fg stroma liquidmaterialthroughoutcavityof the chloroplast provides volumearound inner structures forprotectionandshapesite of lightindependentreactionsof photosynthesis Light Reactions Noncyclic Electron Flow Photosystem II 3 In men hEtEyJ E replacelostelectrons gze.tk photon APP P P amino p onsite 2H NADP photosystem I 1 absorbslightexciteselectronspasse them to secondelectrontransport 0 4 0 chemiosmosis 0 8 0 NADPH chain andultimatelyreduces photosystem r 25 Photosystem I FpPstplod Ptyprotongradie H2O 9202 2H generatedbythe electronflow fromPSIIto PSI LightReactions CyclicElectronFlow EEE IE imsYInacticpsEiii electronpathH2o PSII e a 125 Adptp PSI NADP PSI ETC PSI 74 AFP chemiosmosis orproduction p t.to yes it no ItEadPHaetEienmiieaea photon y 25 Cyclic ElectronFlow is needed to ensure or egg EE.EE E E Eeii i Chemiosmosis th In chemiosmosis theflow of electrons throug f p theETCcausesprotons H to be pumpedin thethylakoidlumencreating a protongradi i significantintermediate This ftp.foct Eg H H AInthasegradient is harnessed by ATPsynthas iEeniEnithaiiiins fPiIo Fries.it iÉ i i g to TPP ATP thylakoid H NADP membrane stroma TheCalvin Cycle 3molecules 02 1 Carbon Fixation faction enzymerubiscocatalyzes attachment III I yp Ison's items.inatiia ftp.gnncpompoumnyygchogimgpegiaatey P2 phosphoglycerate ap a IEEE reduction Ent test ae neners andelectrons necessary ATPconverts 3 PGA into 1,3BPGNADPHdonates electrons to reduce 1,3BPG intoG3P Effy g ImoleculeG3Pomapules 3 Reseter 5913 Gspmolecules are rearranged 5molecules 2 use G3P are used to regenerate 3 molecules of RUB my just reef 12Atp this requiresadditional ATPregeneratedRUB P Efainthen acceptmore coz to begin thecycle a ffI.hnG is p