11. If you place a cell with a 0.21 M of Na+ in a solution of 0.12 M of Na+ (whi

Question

11. If you place a cell with a 0.21 M of Na+ in a solution of 0.12 M of Na+ (which is impermeable to the cell membrane), what will happen to the cell? Explain why this occurs. Be sure to draw an illustration of this process and label the solute and water concentrations on both sides of the cell. 12. If you place a cell with a 0.88 M of Glucose in a solution of 0.37 M of Glucose (which is impermeable to the cell membrane), what will happen to the cell? Explain why this occurs. Be sure to draw an illustration of this process and label the solute and water concentrations on both sides of the cell.

Explanation / Answer

11. When a cell is placed in a solution of 0.12M of sodium, osmosis occurs. Water moves from lower solute concentration to higher solute concentration that is from solution to the cell. Hence due to osmosis the cell swells.

This occurs to maintain the tonicity of fluid covering the cell.

12. when a cell placed in glucose solution water moves from lower solute concentration to higher concentration so the cell swells. It happens to maintain equilibrium.

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