What is the role of c4 in desert plants photosynthesis?
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C4 plants use the C4 carbon fixation pathway to increase their photosynthetic efficiency by reducing or suppressing photorespiration, which mainly occurs under low atmospheric CO
2 concentration, high light, high temperature, drought, and salinity.
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C4 plants increase the level of CO2 through phosphoenolpyruvic acid carboxylase (PEPCase), thereby fixing CO2 via the Calvin cycle in bundle sheath cells. These CO2-concentrating mechanisms greatly increase photosynthetic efficiency. ... Plant photosynthesis is a process that converts CO2 into carbohydrate.
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