If a plant cell had a ΨP = 0.3 bars and ΨS = -0.45 bars and was placed in an open beaker of water with a solution of 0.03 M NaCl at 25 degrees Celsius, which way will water move?
A. Water will move out of the cell because the cell has a greater water potential than the beaker.
B. Water will move into the cell because the cell has a lower water potential than the beaker.
C. The water potentials are equal, there will be no net movement.
D. Water will move out of the cell because the cell has a lower water potential than the beaker.
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A dialysis bag that has a concentration of 0.02 M glucose and 0.1 M starch is placed in a beaker of water containing 0.03 M glucose. Glucose can pass through the dialysis tubing and starch cannot. Which describes the movement of molecules?
A. Water and glucose move out of the bag and into the beaker.
B. Water moves out of the bag and glucose moves into the bag.
C. Water and glucose move into the bag.
D. Water moves out of the bag and glucose moves into the beaker.
Which of the following has the least amount of solutes?
A. hypertonic
B. isotonic
C. hypotonic
D. plasmolysis
What would happen to a plant cell of a rose if it was placed in a very hypotonic environment?
A. the cell would lyse
B. the cell will become turgid
C. the cell will undergo plasmolysis
D. the cell will become flaccid
What is the difference between facilitated diffusion and active transport?
A. Facilitated diffusion is passive and active transport requires energy.
B. Facilitated diffusion requires energy and active transport is passive.
C. Both facilitated diffusion and active transport require energy.
D. Both facilitated diffusion and active transport do not require energy.
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