Diffusion Notes: Definitions & Explanations PDF | Download eBooks

Study Diffusion lecture notes PDF with college biology definitions and explanation to study What is Diffusion?. Study diffusion definitions with college biology terms to review biology course for online degree programs.

Diffusion Definitions:

Diffusion is the movement of molecules from an area of higher concentration i.e. along concentration gradient.
Biology by Dr.William George and A.R.Sheikh
Net movement of molecules and ions from a region of their higher concentration to region of their lower concentration gradient, as a result of their random movement.
Cambridge IGSCE Biology by Mary Jones, Geoff Jones

Diffusion Notes:

Diffusion is one of the well recognized process in which the movement of substances takes place within cells and even across the cell membrane. There are numbers of examples regarding diffusion: gas interface and blend in gills and lungs, water diffuses food color in a glass that makes the glass as colored similarly when perfume is being sprayed in a room, it also diffuses in the whole room, after diffusion so that people can smell it everywhere.