Phototropic curvature is the result of an une | vedclass

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(D) Phototropic curvature in plants is primarily caused by the uneven distribution of the hormone $Auxin$ (specifically $Indole-3-acetic$ $acid$ or $I

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Auxin

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(D) Phototropic curvature in plants is primarily caused by the uneven distribution of the hormone $Auxin$ (specifically $Indole-3-acetic$ $acid$ or $IAA$).When a plant is exposed to unilateral light,$Auxin$ migrates to the shaded side of the stem.This higher concentration of $Auxin$ on the shaded side stimulates greater cell elongation compared to the illuminated side.As a result,the stem bends towards the light source,a phenomenon known as phototropism.

Phototropic curvature is the result of an uneven distribution of which of the following?

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