There is no photorespiration in C4 plants. Explain in your own words
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Photorespiration occurs due to the oxygenase activity of RuBisCO. When the concentration of O2 is high, RuBisCO binds to oxygen and carries out photorespiration. C4 plants have a mechanism of maintaining high CO2 concentration at the enzyme site, thus photorespiration does not occur.
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C4 plants do not undergo photorespiration due to their special mechanism to increase the CO2 level for enzyme binding.During this, the C4 acid, oxaloacetic acid (OAA) breaks down to release CO2.
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