ICSE Class 10 Answered
Does Increased potassium ion concentration in the guard cells, make the guard cells a hypertonic or hypotonic solution?
Asked by saibaba1069 | 12 May, 2020, 11:11: PM
Expert Answer
The guard cells are turgid, or swollen, and the stomatal opening is large. This turgidity is caused by the accumulation of K+ (potassium ions) in the guard cells. This makes the guard cell solution hypertonic. As K+ levels increase in the guard cells, the water potential of the guard cells drops, and water enters the guard cells.
Answered by Sheetal Kolte | 13 May, 2020, 11:12: AM
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