Multiple Choice
What two conditions must be present for osmosis to occur?
14. Solutions
Osmosis
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Why does osmosis occur in biological systems?
A
To increase the temperature of the solution
B
To equalize solute concentrations on both sides of a semipermeable membrane
C
To create a pressure difference across the membrane
D
To allow solutes to move freely across the membrane
Verified step by step guidance1
Osmosis is a process where water molecules move across a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.
In biological systems, osmosis occurs to equalize solute concentrations on both sides of a semipermeable membrane, maintaining homeostasis.
A semipermeable membrane allows only certain molecules, typically water, to pass through while blocking others, such as solutes.
The movement of water during osmosis generates osmotic pressure, which can affect cell volume and pressure within biological systems.
Osmosis does not allow solutes to move freely across the membrane; instead, it facilitates the movement of water to balance solute concentrations.
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