Multiple Choice
Why does water move through a selectively permeable membrane during osmosis?
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6. The Membrane
Osmosis
Multiple Choice
What type of solution allows water to enter the plant cell through osmosis?
A
Hypotonic solution
B
Acidic solution
C
Hypertonic solution
D
Isotonic solution
Verified step by step guidance1
Understand the concept of osmosis: Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Identify the types of solutions: Hypotonic, isotonic, and hypertonic solutions are defined based on their solute concentration relative to the inside of the cell.
Define a hypotonic solution: A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, leading to a net movement of water into the cell.
Explain the effect of a hypotonic solution on plant cells: In a hypotonic solution, water enters the plant cell, causing it to swell and become turgid, which is beneficial for maintaining structure and support.
Contrast with other solutions: In an isotonic solution, there is no net movement of water, and in a hypertonic solution, water moves out of the cell, potentially causing it to shrink.
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