Question.
How do auxins promote the growth of a tendril around a support?
How do auxins promote the growth of a tendril around a support?
solution:
When the tip of the tendril touches a support, the auxins present on its tip moves to the side of tip which is away from the support, so due to more auxins in its tendrils away from the support grows faster.
When the tip of the tendril touches a support, the auxins present on its tip moves to the side of tip which is away from the support, so due to more auxins in its tendrils away from the support grows faster.