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photophosphorylation

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Presentation on theme: "photophosphorylation"— Presentation transcript:

1 photophosphorylation
Process of creating ATP using a proton gradient created by the energy gathered from sunlight. = _______________________ Metabolic pathway in which cells use enzymes to oxidize nutrients and releasing energy which is used to produce ATP. = ___________________________ photophosphorylation Oxidative phosphorylation

2 Substrate level phosphorylation
Reaction that results in the formation of ATP or GTP by the direct transfer of a phosphoryl (PO3) group to ADP or GDP from another phosphorylated compound. = ______________________________________ Substrate level phosphorylation

3 Movement of ions across a semipermeable membrane, down their electrochemical gradient = _____________ EXAMPLE Using H+ gradient created by ETC to generate ATP chemiosmosis

4 PHOTORESPIRATION On hot, dry days when plant shuts stomata
plant switches to ______________________ Rubisco adds O2 to Calvin cycle instead of CO2 Product broken down by peroxisomes/mitochondria to release CO2 COUNTERPRODUCTIVE: Makes NO ATP Makes NO sugar Uses ATP Decreases photosynthesis by siphoning molecules from Calvin cycle PHOTORESPIRATION


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