Multiple Choice
What does the term hypoosmotic refer to in the context of osmosis?
14. Solutions
Osmosis
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Which statement is true regarding osmosis?
A
Osmosis involves the movement of solute particles through a semipermeable membrane.
B
Osmosis occurs when solute molecules move from a region of higher concentration to a region of lower concentration.
C
Osmosis is the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.
D
Osmosis requires energy input to occur.
Verified step by step guidance1
Begin by understanding the concept of osmosis. Osmosis is a type of passive transport, which means it does not require energy input. It involves the movement of solvent molecules, typically water, across a semipermeable membrane.
Identify the direction of movement in osmosis. Solvent molecules move from a region of lower solute concentration to a region of higher solute concentration. This movement aims to equalize solute concentrations on both sides of the membrane.
Clarify the role of the semipermeable membrane. A semipermeable membrane allows only certain molecules to pass through. In osmosis, it permits the passage of solvent molecules but restricts solute molecules.
Differentiate osmosis from diffusion. While diffusion involves the movement of solute particles from high to low concentration, osmosis specifically refers to the movement of solvent molecules, not solute particles.
Conclude by verifying the correct statement. The true statement regarding osmosis is: 'Osmosis is the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.'
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