Differentiate between active transport and diffusion.

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Solution

Diffusion:
This process involves the movement of the substances from the region of higher concentration to the region of lower concentration without using energy.
Active transport:
Active transport is a type of transport of materials across the cell membrane which involves the expenditure of the cell’s energy in the form of ATP since it occurs against the concentration gradient.
Differences:
Diffusion
Active transport
Slow process and takes more time Fast and rapid process
Takes place along the concentration gradient Takes place against the concentration gradient
Cell energy is not utilized The cell uses energy for this type of transport
Can take place in both directions It takes place in only one direction
It occurs with the help of carrier proteins It does not require the help of carrier proteins.
It selects the materials to be transported It is not selective in nature.

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Diffusion	Active transport
Slow process and takes more time	Fast and rapid process
Takes place along the concentration gradient	Takes place against the concentration gradient
Cell energy is not utilized	The cell uses energy for this type of transport
Can take place in both directions	It takes place in only one direction
It occurs with the help of carrier proteins	It does not require the help of carrier proteins.
It selects the materials to be transported	It is not selective in nature.