Which of these is not one of the steps that lead to a gravitropic response in plants?
A) Signals form in the cell that perceives the stimulus.
B) Differential cell elongation occurs.
C) Auxin accumulates unevenly on opposite sides of the stem or root,stimulating the bending in response to gravity.
D) Amyloplasts float upward inside the perceptive cells.
E) Hormone signals are transported away from the tips of the roots or shoots.
Correct Answer:
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Q2: _ is directional growth responses of plants
Q6: Which of the following statements about gravitropism
Q7: _ are complex carbohydrates that are released
Q9: The elongation of stems is stimulated by
A)auxin
Q9: If temperatures suddenly rise 5 to 10º
Q10: Cytokinins are related to or derived from
Q12: Red light and phytochrome are involved in
Q12: Mature plants may become _ in dry
Q15: Abscisic acid suppresses growth of buds and
Q16: The plant hormones known as _ are
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