Stomata in plants open due to the ........... | vedclass

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Question

(C) According to the $K^+$ ion pump theory (Levitt,$1974$),the opening and closing of stomata are regulated by the movement of potassium ions $(K^+)$

Vedclass · Accepted Answer

influx of $K^+$ ions

Vedclass · Answer

(C) According to the $K^+$ ion pump theory (Levitt,$1974$),the opening and closing of stomata are regulated by the movement of potassium ions $(K^+)$ in and out of the guard cells.When stomata open,$K^+$ ions move from the surrounding subsidiary cells into the guard cells (influx).This influx of $K^+$ ions increases the solute concentration inside the guard cells,leading to a decrease in water potential.Consequently,water enters the guard cells from the surrounding cells via osmosis,causing them to become turgid and resulting in the opening of the stomatal pore.

Stomata in plants open due to the ............ .

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