The tendrils of pea plants appear to move in a particular direction as they grow.
How is this response caused?
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70
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Thigmotropism in a redvine: Tendrils of a redvine produce auxin in response to touching a support stick and then transfer the auxin to non-touching cells. The non-touching cells elongate faster to curl around the support stick. A thigmonastic response is a touch response independent of the direction of stimulus.
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Answer:
Thigmotropism in a redvine: Tendrils of a redvine produce auxin in response to touching a support stick and then transfer the auxin to non-touching cells. The non-touching cells elongate faster to curl around the support stick
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