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Question

What are the differences and similarities between diffusion, facilitated diffusion, osmosis and active transport?


Solution


Explanation
Diffusion is movement of molecules from an area of their higher concentration to area of their lower concentration.
Facilitated diffusion is movement of molecules from an area of their higher concentration to area of their lower concentration through a cell membrane with help of membrane bound protein channels or carrier proteins
Osmosis is movement of water molecules from an area of their higher concentration to area of their lower concentration through a semipermeable membrane.
Active transport is movement of molecules from an area of their lower concentration to area of their higher concentration using energy in form of ATP by pump proteins.
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