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Active Transport vs. Passive Transport

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by

Chloe H

on 24 September 2013

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Transcript of Active Transport vs. Passive Transport

Active Transport vs. Passive Transport
What do they have in common?
They both transport substances across the membrane
Temperature sensitive

Concentration Gradient
A gradual change in the concentration in a solution
It is what is in between the lowest and highest concentration
A gradient results from an unequal distribution of ions across the cell membrane
Active Transport
Active transport takes things from a low concentration to a high concentration
Requires a special protein to make transport occur
Requires energy (ATP)
There are three types of Active Transport: The Sodium-Potassium pump (uses energy to transport Sodium and Potassium ions in and out of the cell), Exocytosis, and Endocytosis.
Passive Transport
Passive transport takes things high concentration to a low concentration
No energy is required to make substances move
It requires no special proteins to function
There are three types of Passive Transport: Diffusion, facilitated diffusion, and osmosis.
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