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Multiple Choice
Which statement about osmosis is correct?
A
Osmosis occurs only in non-living systems.
B
Osmosis requires energy in the form of ATP to occur.
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 is the movement of solute molecules from a region of lower concentration to a region of higher concentration.
Verified step by step guidance
1
Understand the concept of osmosis: Osmosis is a type of passive transport, which means it does not require energy input from the cell.
Identify the direction of movement: In osmosis, solvent molecules (usually water) move through a semipermeable membrane.
Determine the concentration gradient: Solvent molecules move from an area of lower solute concentration to an area of higher solute concentration.
Clarify the role of the semipermeable membrane: This membrane allows only certain molecules (like water) to pass through, while blocking others (like solutes).
Evaluate the given statements: The correct statement is that 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.