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Iaa Phototrophism Shoots Concentration Increases Shaded Side Cells

In shoots, higher IAA on the shaded side promotes cell elongation, causing bending towards light during phototropism.

In phototropism, higher IAA concentration on the shaded side of shoots promotes cell elongation, causing the shoot to bend towards the light.

Front Phototrophism, Shoots and IAA
Back IAA concentration increases on the shaded side, cells elongate and shoot bends towards the light

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