Other methods of carbon fixation have evolved in hot, dry climates. In C3 plants, a drop
Chapter 7, Problem 7.11(choose chapter or problem)
Other methods of carbon fixation have evolved in hot, dry climates. In C3 plants, a drop in CO2 and rise in O2 when stomata close divert the Calvin cycle to photorespiration. C4 plants and CAM plants first fix CO2 into a four-carbon compound that provides CO2 to the Calvin cycle even when stomata close on hot, dry days.
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