And evolve co2 by photorespiration results from

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Unformatted text preview: torespiration Results from Rubisco’s oxygenase activity The salvage of phosphoglycolate is wasteful because ATP and NADPH are uselessly dissipated Possibly protects the photosynthetic apparatus from photooxidative demage when insufficient CO2 is available In C4 plants (many tropical plants), CO2 fixation and Rubisco activity are spatially separated, almost totally preventing photorespiration In CAM plants, CO2 capture (night) and Rubisco action (morning) are temporally separated • • • • • Oxygenase activity of Rubisco The C4 pathway...
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