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Solution A contains 5 grams of sugar per liter while solution B contains 2 grams of sugar per liter. The solutions are separated by a selectively permeable membrane. If the solvent in both solutions is water, predict in which direction most of the water molecules will move.
A) Most of the water will move by simple diffusion from solution A to solution B.
B) Most of the water will move by osmosis from solution B to solution A.
C) Most of the water will move by active transport from solution B to solution A.
D) Most of the water will move by filtration from solution A to solution B.
E) There will be no movement of water.
Selectively Permeable
A property of cellular membranes that allows certain molecules or ions to pass through it by means of active or passive transport, while preventing others.
Osmosis
The passive movement of water molecules through a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.
Simple Diffusion
A process whereby molecules move from an area of higher concentration to one of lower concentration without the need for energy input.
- Explain the movement of solutes and water across cell membranes.
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Learning Objectives
- Explain the movement of solutes and water across cell membranes.
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