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Author Question: Plants growing in a partially dark environment will grow toward light in a respo (Read 572 times)

xclash

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on: Aug 16, 2013
Plants growing in a partially dark environment will grow toward light in a response called phototropism. Which of the following statements is true regarding phototropism?
A) It is caused by an electrical signal.
B) One chemical involved is ethylene.
C) Auxin causes a growth increase on one side of the stem.
D) Auxin causes a decrease in growth on the side of the stem exposed to light.
E) Removing the apical meristem enhances phototropism.


clippers!

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Reply #1 on: Aug 22, 2013
I chose C and got the answer, hope that helps.


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