Facilitated diffusion is a type of passive transport.
What is facilitated diffusion?
- Facilitated diffusion is the process in which molecules diffuse across the plasma membrane with the help of membrane proteins, such as channels and carriers.
- Selective process
- Even though it involves transport proteins, it is passive because the solute is moving down the concentration gradient whereas in active process molecules move against concentration gradient.
- Small nonpolar molecules can easily diffuse across the cell membrane.
Learn more about active and passive transport here:
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