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Module 1: Las hormonas de la planta y sus acciones

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Reglamento de suministro de dióxido de carbono en las plantas

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Biology - Regulation of Carbon Dioxide Supply in Plants

Regulation of Carbon Dioxide Supply in Plants

Gas exchange in leaves

Gaseous exchange between the plant's internal and external environments
takes place through the stomata by the process of diffusion. The direction
depends on the slope of the concentration gradient.

Competing demands for reducing water loss (closure of stomata) and entry
of CO2 (open stomata) for photosynthesis [1] have to be balanced. In some
plants in hot, dry climates, stomata are practically closed during the
hottest part of the day.

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