Question

1. what is osmosis?
2. explain why osmosis is a special kind of diffusion?
3. what is partially permeable membrane?

Answer 1

Answer:

1. what is osmosis?

Ans- Osmosis is the spontaneous net movement or diffusion of solvent molecules through a selectively permeable membrane from a region of high water potential to a region of low water potential, in the direction that tends to equalize the solute concentrations on the two sides.

2. explain why osmosis is a special kind of diffusion?

Ans- Osmosis is a special type of diffusion, namely the diffusion of water across a semipermeable membrane. Water readily crosses a membrane down its potential gradient from high to low potential

3. what is partially permeable membrane?

Ans- A membrane that is permeable to the small molecules of water and certain solutes but does not allow the passage of large solute molecules. This term is preferred to semipermeable membrane when describing membranes in living organisms.

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