Multiple Choice
Diffusion and osmosis are examples of which type of cellular transport?
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6. The Membrane
Osmosis
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Which direction would you expect water to move across the cell membrane?
A
Into the cell
B
Out of the cell
C
Into the cell and out of the cell at equal rates
D
Water will not move across the cell membrane
Verified step by step guidance1
Identify the solute concentration inside and outside the cell. In the image, the inside of the cell has a 75% solute concentration, while the outside has a 10% solute concentration.
Understand the concept of osmosis, which is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Determine the direction of water movement based on the solute concentrations. Since water moves from low to high solute concentration, it will move towards the area with 75% solute concentration.
Conclude that water will move into the cell because the inside of the cell has a higher solute concentration compared to the outside.
Consider the implications of water movement into the cell, such as potential cell swelling or bursting if too much water enters.
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