How does auxin promote the growth of a tendril around a plants
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as when a support touches the tendril the auxin get collected on the opposite side and that part of tendril grows more rapidly
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When the tip of a tendril touches a support , then the auxins present in its tip move to that side of tip which is away from the support . Auxins promote growth . So due to more auxins in it , the side of tendril away from the support grows faster than the side which is in contact with the support and makes the tendril twirl around the support .
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