Which of the following statements about xylem transport and phloem transport is true?
A) Both are passive processes that do not require energy from the plant.
B) Both rely on only living cells.
C) Both rely on a water potential gradient.
D) The direction of flow can reverse in both.
E) The driving force for both is in the leaves.
Correct Answer:
Verified
Q112: Regulators of stomatal opening and closing work
Q113: Aquaporins
A) actively pump water.
B) change the direction
Q114: Osmosis
A) requires energy.
B) is the movement of
Q115: Stomatal opening and closing are regulated by
A)
Q116: The plasma membrane of plant cells
A) contains
Q118: A plant wilts when
A) the pressure potential
Q119: Describe the pressure flow model of phloem
Q120: Mineral ions enter the cell due to
Q121: Stomata close when
A) the abscisic acid level
Q122: Transport in the xylem is driven by
A)
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