Question

5. Define the terms : (a) semi-permeable membrane (b) osmosis.
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Answer 1

Semi permeable membrane is a certain kind of membrane which allows only some kind of ions to pass through it by diffusion process.

Osmosis is the movement of water through plasma membrane from high concentration to low concentration

Answer 2

Answer:

HLOO MATE...

SEMI- PERMEABILITY:IT ALLOWS ONLY CERTAIN MATERIALS TO PASS THROUGH IT.

OSMOSIS: movement of water molecules from low to high concentration through plasma membrane..is called osmosis..

• it occurs due presence of tiny water channels in plasma membrane..

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