In CAM-plants,carbon dioxide required for pho | vedclass

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(B) $CAM$ (Crassulacean Acid Metabolism) plants are adapted to arid environments. In $CAM$-plants,the stomata open at night to minimize water loss thr

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Night through the stomata,which are kept open

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(B) $CAM$ (Crassulacean Acid Metabolism) plants are adapted to arid environments. In $CAM$-plants,the stomata open at night to minimize water loss through transpiration. This allows the entry of atmospheric carbon dioxide into the leaves. The carbon dioxide is converted into malic acid (a four-carbon compound) and stored in the vacuoles. During the day,the stomata remain closed to prevent water loss. The stored malic acid is then transported to the chloroplasts,where it undergoes decarboxylation to release carbon dioxide,which is then fixed by the Calvin cycle.

In $CAM$-plants,carbon dioxide required for photosynthesis enters the plant body during

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