Crassulacean acid metabolism, also known as CAM photosynthesis, is a carbon fixation pathway that evolved in some plants as an adaptation to arid conditions. In a plant using full CAM, the stomata in the leaves remain shut during the day to reduce evapotranspiration, but open at night to collect carbon dioxide ({co2}). The {co2} is stored as the f...
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http://en.wikipedia.org/wiki/Crassulacean_acid_metabolism
(from the article `plant`) ...and the CO2 that released is fixed by rubisco in the usual Calvin-Benson cycle. Both the C4 and C3 processes take place in the same cell. This ... ...hours is minimized. However, carbon dioxide (CO2) uptake occurs in the dark. Succulent plants, therefore, exhibit a modified form of CO2 fixation ... [2 re...
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http://www.britannica.com/eb/a-z/c/155
<plant biology> Physiological adaptation of certain succulent plants, in which carbon dioxide can be fixed (nonphotosynthetically) at night into malic and other acids. During the day the carbon dioxide is regenerated and then fixed photosynthetically into the Calvin Benson cycle. This adaptation permits the stomata to remain closed during the...
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http://www.encyclo.co.uk/local/20973
Physiological adaptation of certain succulent plants, in which CO2 can be fixed (non-photosynthetically) at night into malic and other acids. During the day the CO2 is regenerated and then fixed photosynthetically into the Calvin-Benson cycle. This adaptation permits the stomata to remain closed during the day, conserving water.
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http://www.encyclo.co.uk/visitor-contributions.php
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