photosynthesis
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Created by:
carsonsmiley on January 16, 2012
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10 terms
Terms | Definitions |
|---|---|
 photosynthesis formula | 6CO2 +12H20+LIGHT ENERGY---->C6H12O6 +6 O2+ 6 H20 |
| Photosynthesis is a redox process | H20 is oxidized and Co2 is reduced |
| Calvin cycle | Uses ATP and NADPH to convert Co2 to sugar -occurs in the stroma -synthesizes G3P |
| noncyclic electron flow | produces NADPH, ATP and oxygen |
| cyclic electron flow | uses only photosystem 1, producing ATP but no NADPH or O2 |
| C4 plants | minimize the cost of photorespiration by incorporating CO2 into four-carbon compounds in mesophyll cells. These compounds are exported to bundle-sheath cells, where they release carbon dioxide for use in the calvin cycle |
| CAM plants | open their stomata at night, incorporating CO2 into organic acids,which are stored in mesophll cells. During the day the stomata close, and the CO2 is released from the organic acids for use in the Calvin cycle |
| importance of photosynthesis | organic compounds produced by photosynthesis provide the energy and building material for ecosystems |
| rubisco | enzyme that catalyzes the first step of the Calvin cycle |
| photorespiration | acts to undo the process of photosynthesis carbon dioxide is released without making ATP and NADPH |
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