Multiple Choice
A dialysis tubing bag containing a 0.5 M sucrose solution is placed in each of the following beakers. In which beaker will osmosis cause the bag to expand?
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14. Solutions
Osmosis
Multiple Choice
Which of the following statements about osmosis is correct?
A
Osmosis requires energy input in the form of ATP.
B
Osmosis involves the movement of solute particles across a semipermeable membrane.
C
Osmosis is the movement of water molecules from a region of lower solute concentration to a region of higher solute concentration through a semipermeable membrane.
D
Osmosis only occurs in non-aqueous solutions.
Verified step by step guidance1
Step 1: Understand the definition of osmosis. Osmosis is the movement of solvent molecules, typically water, across a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.
Step 2: Recognize that osmosis does not require energy input (ATP) because it is a passive transport process driven by concentration gradients.
Step 3: Note that osmosis involves the movement of solvent (water), not solute particles, across the membrane.
Step 4: Confirm that osmosis occurs in aqueous solutions, as water is the solvent moving through the membrane.
Step 5: Based on these points, identify the correct statement as the one describing osmosis as the movement of water molecules from lower to higher solute concentration through a semipermeable membrane.
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