Science
How do auxins promote the growth of a tendril around a support?
Chemical Coordination in Plants
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Answer
The portion of tendril which is in contact to support has diffused amount of auxin while the open portion has less auxin. Therefore, the part of the tendril in contact with the object does not grow as rapidly as the part of the tendril away from the object. This causes the tendril to circle around the object and thus cling to it.
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