Page 9 - E-Biology Sec.2 2024-2025 U1_Handy
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2. Imbibition The ability of solid (colloidal) particles in the cell walls to
Phenomenon
absorb water, so they swell and increase in volume.
? EX: Cellulose, Pectin & Protoplasmic proteins.
3. Diffusion
phenomenon
The movement of molecules / ions from a highly concentrated medium to a low conc.
med. due to the continuous free motion of molecules of the diffused substance.
“Diffusion of a drop of ink while falling in water”
9
First Term
