Question

define osmosis in biology

Answer 1

1. Diffusion of a solvent (usually watermolecules) through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.

Answer 2

Osmosis is the movement of solvent particles from a region of higher concentration of solvent particles (Hypotonic) to a region of lower concentration of solvent ( Hypertonic) or movement of solvent particles from pure solvent to a solution through a semipermeable membrane.

Some examples of semi permeable membrane are :
Copper ferrocyanide and Cellophane which are artificial membranes.
Natural semi permeable membranes are Goat bladder and bladders of certain animals.
Parchment paper is also one of the examples.

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