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AP Photosynthesis Flashcards

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11162865981Electron Transport Chain in photosynthesisuses high energy electrons generated by the photosystem to pump hydrogen ions into the thylakoid against their concentration gradient.0
11162865982ATP Synthaseenzyme that uses energy from H+ ions to bind ADP to an inorganic phosphate to produce ATP1
11162865983NADPHAn electron carrier produced from PSI involved in photosynthesis, which provides the high-energy electrons to the calvin cycle2
11162865984ATP(adenosine triphosphate) the main energy source for all cells; a molecule that is catabolized to release energy to drive metabolic processes3
11162865985Light Dependent Reactionsproduction of ATP and NADPH to supply the calvin cycle with energy4
11162865986oxygenPS2 splits a water to generate __________ for the atmosphere5
11162865987Water_______ is split in PS2 to generate oxygen and provide an electron6
11162865988PhotonsLight energy7
11162865989Thylakoid spaceH+ ions are pumped into the ______________________ by the ETC of PS28
11162865990H+ ionsdiffuse down their concentration gradient to spin ATP Synthase to convert ADP -> ATP9
11162865991Energy in the light ________is used to split water and excite electrons10
11162865992At each step in the electron transport chain electrons ________ energyLose11
11162865993photolysisThe splitting of water to replace electrons that are lost to photosystem II12
11162865994What does photolysis form?Oxygen, hydrogen ions, and electrons13
11162865995chlorophyllpigment used to absorb light energy and excite electrons14
11162865996When are ATP and NADPH used?light independent reactions15
11162865997PhotosynthesisConversion of light energy from the sun into chemical energy.16
11162865998Chloroplastsorganelle where photosynthesis takes place17
11162865999Thylakoidsaclike photosynthetic membranes found in chloroplasts where light dependent reaction takes place18
11162866000Stromafluid portion of the chloroplast; outside of the thylakoids where light independent reaction occurs19
11162866001Photosystem 1the electrons are re-energized by light energy and used to make NADPH. 2nd photosystem in ETC.20
11162866002Photosystem 2Uses light energy to split water. 1st photosystem in the light dependent reactions.21
11162866003Waterneeded to replace the electron that is lost when it gets added to NADP+22
11162866004proton gradientbuildup of hydrogen ions in the thylakoid space lowering the pH23
11162866005chemiosmosiscombination of electron transport chain and phosphorylation24
11162866006palisade mesophylllocation in the leaf where photosynthesis takes place25
11162866007stomatesopening in the leaf allowing oxygen out and carbon dioxide in26
11162866008guard cellscells in the leaf that control the opening and closing of the stomates27
11162866009calvin cycleUses ATP and NADPH to produce glucose28
11162866010carbon fixationstage occurring when RUBP is added to Carbon dioxide to produce 2 molecules of 3PGA29
11162866011ADP + Piproduced when ATP is used in the calvin cycle30
11162866012NADPMolecule Produced when hydrogen and electrons are transferred to 3PGA31
11162866013Reductionstage ocuring when electons to 3PGA to produce G3P32
11162866014Regenerationthe stage when G3P gets converted back to RUBP33
11162866015rubiscothe enzyme needed to attach Carbon dioxide to RUBP34
11162866016the number of carbon dioxides needed to to produce 1 glucose635

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