Practice question
Question
Which ion influx is most crucial for stomatal opening?
Explanation
C fits best: K⁺. Keep the STOMATA MOVEMENT basics straight and K⁺ stands out as the precise answer. Avoid: A) Na⁺; B) Ca²⁺; D) Mg²⁺. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
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