Question

What is a major difference between facilitated diffusion and active transport?

Answer 1

This process is called passive transport or facilitated diffusion, and does not require energy. The solute can move "uphill," from regions of lower to higher concentration. This process is called active transport, and requires some form of chemical energy.

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Answer 2

The difference between facilitated diffusion and active transport is -

1. Facilitated diffusion is defined as the movement of molecules or ions passively with the help of transport protein. The movement is across the plasma membrane.
2. The movement is due to a concentration gradient in the direction of low concentration from high concentration.
3. Active transport is also the movement of molecules across the plasma membrane. But the transport occurs from lower contraction to higher concentration.
4. Facilitated diffusion does not require energy but active transport requires energy.
5. A common example of facilitated diffusion is the transport of elements or ions via sodium channels, GLUT channels etc.
6. A common example of active transport is the transport of elements or molecules from Na+/K+ ATPase transporters, sodium-glucose cotransporters etc.

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