Scenario: You observe the growth of a group of plants that have been tipped over.
How will auxin influence cell growth in the roots of these plants?
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Responses
Auxin will build up on the upper side of the root and stimulate cell growth.
Auxin will build up on the upper side of the root and stimulate cell growth.
Auxin will build up on the lower side of the root and stimulate cell growth.
Auxin will build up on the lower side of the root and stimulate cell growth.
Auxin will build up on the upper side of the root and inhibit cell growth.
Auxin will build up on the upper side of the root and inhibit cell growth.
Auxin will build up on the lower side of the root and inhibit cell growth.
1 answer
In the scenario where the plants have been tipped over, auxin will influence cell growth in the following way:
Auxin will build up on the lower side of the root and inhibit cell growth.
This leads to greater growth on the upper side of the root, causing the root to bend downwards as it grows towards gravity (a response known as gravitropism).
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