Question

how auxin regulate the phototropic movement of stem?​

Answer 1

Answer:

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Explanation:

Auxin moves to the darker side of the plant, causing the cells there to grow larger than corresponding cells on the lighter side of the plant. This produces a curving of the plant stem tip toward the light, a plant movement known as phototropism. Auxin also plays a role in maintaining apical dominance.

Answer 2

Answer:

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Explanation:

Phototropism is the growth of an organism in response to a light stimulus. ... Stem tips exhibit positive phototropic reactions to blue light, while root tips exhibit negative