Which ion helps in opening and closing of sto | vedclass

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(D) According to the active $K^{+}$ transport theory proposed by Levitt,the opening of stomata is primarily driven by the influx of $K^{+}$ ions into

Vedclass · Accepted Answer

$K^{+}$

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(D) According to the active $K^{+}$ transport theory proposed by Levitt,the opening of stomata is primarily driven by the influx of $K^{+}$ ions into the guard cells. These $K^{+}$ ions are sourced from the adjacent subsidiary and epidermal cells. Conversely,the closure of stomata is facilitated by the efflux (exertion) of $K^{+}$ and $Cl^{-}$ ions from the guard cells back into the surrounding epidermal tissue,which leads to a decrease in turgor pressure within the guard cells.

Which ion helps in opening and closing of stomata?

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