Which one gives the most valid and recent explanation for stomatal movements?

Guard cell photosynthesis

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Transpiration

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Potassium influx and efflux

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Starch hydrolysis

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Solution

The correct option is C Potassium influx and efflux
Potassium influx and efflux

The explanation is given by potassium influx and exflux/ potassium ion pump theory which is also known as modern theory.

This theory states that the accumulation of K+ ions leads to the opening of the stomata during the day while the reverse situation occurs during dark while the stomata is closed.

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