Which of the following must occur in order to maintain a high pressure potential within guard cells?
A) Potassium ions must be actively transported out.
B) Energy must be constantly expended.
C) Water must exit guard cells by osmosis.
D) Stomata must take up more oxygen and less carbon dioxide.
E) The rate of transpiration must increase.
Correct Answer:
Verified
Q17: Even in the absence of transpiration,some water
Q18: Which of the following statements does not
Q19: Which of the following is not transported
Q20: On a short-term basis,water loss in plants
Q21: Most often,the largest gradient in water potential
Q23: Which of the following does not require
Q24: The uneven distribution of an impermeable solute
Q25: Which of the following hormones increases when
Q26: A plant is exposed to a toxin
Q27: The pressure-flow hypothesis describes
A)how hormones move through
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