CAM Plant

CAM Plant

CAM stands for “crassulacean acid metabolism”. The CAM pathway is best utilized by plants that live in dry climates with little or no rain. CAM plants have open stomata during the night and closed stomata during the day. This is so that they can collect carbon dioxide at night as opposed to undergoing evaporation during the day. Once collected the plant is able to store the CO2 as a 4-carbon malate. The CAM pathway bears resemblance to the C4 pathway in the sense they both look to increase the concentration of C02 around RuBisCO. Pineapples and cacti are popular examples of CAM plants.


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