Multiple Choice
Regarding positive gravitropism exhibited by plant roots,
A) it is mediated by auxin as for phototropism.
B) it depends on more rapid elongation of some cells than other cells.
C) gravity causes auxins to accumulate on the lower side of roots.
D) the phenomenon depends upon inhibition of cell elongation of certain root cells by auxins.
E) All of the above are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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