Question

Three cells are placed in three solutions of different concentrations. Determine the concentration of the solutions based on the predominant movement of water molecules through the cells.

Answer 1

Answer:

Isotonic solution: if cell volume does not changes since there is no net movement of water.

Hypertonic solution: If there is net movement of water out of the cell

Hypotonic solution: If there is net movement of water from outer solution to the cell.

Explanation:

When placed in an isotonic solution, cells do not show the net movement of water since the concentration of the solution is equal on both sides of the cell membrane. A hypertonic solution has a higher concentration and osmosis occurs from the cell towards the solution to balance the concentration. A hypotonic solution has lower solute concentration than cell and the direction of osmosis is towards inside of the cell.

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