Photosynthesis 0.0 / 5 ? BiologyCellular processesA2/A-levelAQA Created by: Lucybarrow444Created on: 20-09-19 15:53 what are the mark points of the light dependent re chlorphyll absorbs light energy via photoionistaion excites electrons/ electrons removed from chlorophyll electrons move along eletcron tranport chain releasing energy energy released by electrons used to form proton gradient H+ ions move through ATP synthase providing energy to join ADP and Pi to form ATP Photlysis of water produces 2 protons, 2 electrons and 1/2 oxygen NADP reduced by loss of electrons/ gain of protons (H) 1 of 3 what are the mark points of the Calvin cycle carbon dioxide combines with ribulose biophosphate produces two glycerate phosphate GP reduced to triose phosphate using NADPH using energy from ATP triose phosphate converted to glucos/hexose/RuBP/ribulose biphosphate/ named organic substance 2 of 3 DCPIP is used as a redox indicator. how would you wrapping a test tube in aluminium foil or replacing the chloroplast suspensions with a buffer solution the purpose is to validate your results by proving the change isn't due to any other factors by covering in aluminium you are proving the reaction doesn't happen without light. buffer solution shows chloroplasts are required for the reaction 3 of 3
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