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Question

How is osmosis different from facilitated diffusion?


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Solution

  1. Osmosis is the movement of molecules from a region of high concentration to a region of low concentration through a semi-permeable membrane.
  2. Facilitated transport involves the transport of molecules across the cell membrane without using energy via special carrier proteins.
OsmosisFacilitated transport
  1. It is the simple diffusion of molecules.
  1. It is the movement of molecules assisted by special carrier proteins.
2. It does not require energy.2. It does not require energy.
3. It does not require special carrier proteins.3. It requires the assistance of special carrier proteins.
4. The movement occurs along the concentration gradient.4. The movement occurs along the concentration gradient.
5. It is a passive transport.5. It is a passive transport.
6. The transport does not occur through special protein channels.6. The transport occurs through special protein channels.

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