Mark for Review
Plant cells communicate with tissues by control chemicals known as hormones. Auxin, a plant hormone is
produced in the stem, buds, and root tips. Auxin moves to the darker side of a plant shoot promoting the
elongation of cells on that side. What system carries auxin to move to the darker side of the plant?
A) Dermal system
B) Immune system
C) Reproductive system
D) Vascular system
Answers: 2
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Mark for Review
Plant cells communicate with tissues by control chemicals known as hormones. Auxin,...
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