Multiple Choice
What does water pass through during osmosis?
14. Solutions
Osmosis
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How is osmosis different from diffusion?
A
Osmosis can occur in gases, whereas diffusion is limited to liquids.
B
Osmosis requires energy input, whereas diffusion is a passive process.
C
Osmosis occurs only in living organisms, while diffusion can occur in any medium.
D
Osmosis involves the movement of water across a semipermeable membrane, while diffusion involves the movement of solutes.
Verified step by step guidance1
Understand the concept of diffusion: Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration, and it can occur in gases, liquids, or solids without the need for a semipermeable membrane.
Understand the concept of osmosis: Osmosis is a specific type of diffusion that involves the movement of water molecules across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Identify the key difference: The main difference between osmosis and diffusion is that osmosis specifically involves water and requires a semipermeable membrane, whereas diffusion can involve any type of particle and does not require a membrane.
Clarify the role of the semipermeable membrane: In osmosis, the semipermeable membrane allows only water molecules to pass through, preventing solutes from moving across the membrane.
Summarize the distinction: Osmosis is a passive process like diffusion, but it is distinct because it involves water movement across a semipermeable membrane, whereas diffusion involves the movement of solutes and does not require a membrane.
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