C4 photosynthesis

C4 photosynthesis

In C4 photosynthesis, CO2 is stored in a 4-carbon organic compound (C4) in a mesophyll chloroplast and transported in a bundle sheath chloroplast to enter the Calvin cycle

Crassulacean acid metabolism

CAM (Crassulacean acid metabolism) photosynthesis is a carbon fixation pathway that evolved in some plants as an adaptation to arid conditions. At night, stomata open to permit the entry of CO2 into cells for storage as organic acids in vacuoles. During the day, the stomata close to conserve water and the stored CO2 enters the stroma of chloroplasts to take part int eh Calvin Cycle reactions.

CAM photosynthesis.  CA: carbonic anhydrase CC: Calvin cycle PEP: phosphoenolpyruvic acid PEPC: phosphoenolpyruvate carboxylase PEPCK: phosphoenolpyruvate carboxykinase MDH: malate dehydrogenase ME: malic enzyme (malate dehydrogenase) PPDK: pyruvate, phosphate dikinase