i have a question why sensitive plant fold up when touched
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The plant folds its leaves by rapidly changing the turgor pressure inside its disturbed cells. Turgor pressure is created by water that is stored in vacuoles inside the plants' cells. When filled, the water presses against the cell wall, making it rigid (see diagramme; "turgid"). When turgor pressure is high, the plant stands upright; when it is low, the plant wilts (see diagramme; "flaccid").
When a sensitive plant is disturbed by touching or heat, the cells release positively-charged ions, such as potassium ions, that act as an intracellular signal. These ions bind to receptor proteins on the surface of the vacuoles that store water inside the cell. Binding of potassium ions causes the vacuoles to release the water, which results in a rapid loss of turgor pressure.
When a sensitive plant is disturbed by touching or heat, the cells release positively-charged ions, such as potassium ions, that act as an intracellular signal. These ions bind to receptor proteins on the surface of the vacuoles that store water inside the cell. Binding of potassium ions causes the vacuoles to release the water, which results in a rapid loss of turgor pressure.
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because sensitive plant likes touch-me-not have chemicals , when we touch the leaves of Touch Me Not it will produced at the tip of leaves and causes folding
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