Water flows from regions of _______ water potential to regions of _______ water potential.
A.
B.
C.
D.
Correct. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Incorrect. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Activity 34.1 Quiz
When considering the effects of water potential on a plant cell, what factor or factors of the cell itself contribute to the direction and extent of water movement into or out of the cell?
A.
B.
C.
D.
Correct. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Incorrect. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Activity 34.1 Quiz
Suppose the pressure potential Ψp in a plant cell is 2.5 bars and the solute potential Ψs in the same cell is −1.5 bars. What would the water potential Ψ outside this cell have to be in order for no net movement of water to take place across the cell’s membrane?
A.
B.
C.
D.
Correct. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Incorrect. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Activity 34.1 Quiz
Refer to the table below.
Four U-tubes similar to the one shown in the activity are set up with initial conditions as described in the table. Left and right sides are separated by a membrane permeable to water but impermeable to the solute. After allowing enough time for each of these setups to reach equilibrium, which will have the highest pressure potential Ψp?
A.
B.
C.
D.
Correct. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
Incorrect. See Key Concept 34.1 Plants Acquire Water and Minerals from the Soil
