Multiple Choice
By what process do cells move water across a membrane along a concentration gradient?
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6. The Membrane
Osmosis
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What happens to a cell that has a rigid cell wall when placed in a hypotonic solution?
A
The cell will burst due to excessive water intake.
B
The cell will become turgid as water enters, but the cell wall prevents bursting.
C
The cell will shrink as water leaves the cell.
D
The cell will remain unchanged as the cell wall blocks water entry.
Verified step by step guidance1
Understand the concept of osmosis: Osmosis is the movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.
Identify the type of solution: A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, leading to water moving into the cell.
Consider the structure of the cell: Cells with rigid cell walls, such as plant cells, have an additional layer that provides structural support and limits excessive expansion.
Analyze the effect of water movement: As water enters the cell, the cell becomes turgid, meaning it swells and becomes firm due to the pressure of the water against the cell wall.
Conclude the outcome: The cell wall prevents the cell from bursting, allowing it to maintain its shape and integrity despite the influx of water.
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