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Bent Plant Stems

Eric Grunden grunden at students.uiuc.edu
Wed Jul 15 21:48:26 EST 1998

CGeat25049 wrote:
>  A plant determines the way up in a manner very similar to the
> way mammals do. In each cell,there is a group of freely floating starch grains.
> these naturally settle on the part of the cell pointing down.It is believed
> that the starch grains stimulate the growth of the section of the cell on which
> they lie.


That explains gravitropism, but I believe the phenomenon being described
was phototropism.......

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