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Question
Which of the following elements is responsible for maintaining turgor in cells?
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Solution
The correct option is D Potassium
- Potassium is required for the maintenance of the turgidity of guard cells. In the guard cells, starch is converted into malic acid in the presence of light (during daytime).
- Protons formed are used by the guard cells for the uptake of K+ ions. In this way, the concentration of K+ ions increases in guard cells. The potassium combines with malate to form potassium malate.
- This increases the solute concentration of the guard cells. The guard cell withdraws water from the nearby cells and becomes turgid.
So, the correct answer is option A.
- Potassium is required for the maintenance of the turgidity of guard cells. In the guard cells, starch is converted into malic acid in the presence of light (during daytime).
- Protons formed are used by the guard cells for the uptake of K+ ions. In this way, the concentration of K+ ions increases in guard cells. The potassium combines with malate to form potassium malate.
- This increases the solute concentration of the guard cells. The guard cell withdraws water from the nearby cells and becomes turgid.
So, the correct answer is option A.
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