Tuesday, August 30, 2011

CAM Plant


A CAM plant has adapted to being in dry conditions because it has evolved to becoming a water-storing plants. The stomata of these plants are open during the night, but closed during the day so that they won't intake any carbon dioxide in the leaves and help conserve water. At night, the process of crassulacean acid metabolism takes place and the stomatas of these plants open up and they take up carbon dioxide so that it can be made into a variety of organic acids. These organic acids that are made at night are stored in the vacuoles of the plant until morning, when the stomata close. When they receive sunlight and it can supply enough for supplying ATP and NADPH for the Calvin Cycle, organic acids that were made from the night before release carbon dioxide to become incorporated into sugar in the chloroplasts.

An example of a CAM Plant would be a pineapple, as depicted below.



Works Cited:
Campbell, Neil, Jane Reece, and Lawrence Mitchell. “Photosynthesis.” Biology. Fifth ed. Menlo Park: Jim Green Publishing, 1999. 184. Print.

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