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The main difference between active and passive transport across cell membrane is :

1.	passive transport is non-selective whereas active transport is selective
2.	passive transport requires a concentration gradient across a biological membrane whereas active transport requires energy to move solutes.
3.	passive transport is confined to anionic carrier proteins whereas active transport is confined to cationic channel.
4.	active transport occurs more rapidly than passive

Subtopic: Diffusion | Membrane Transport |

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