661711
Description
Mind Map by Olivia Brooklyn, updated more than 1 year ago
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Created by Olivia Brooklyn
almost 11 years ago
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Diffusion
- Dissolved substances have to pass through the cell
membrane to get into or out of a cell. Diffusion is one of
the processes that allows this to happen
- Diffusion occurs when particles spread
- They move from a region where they are in high
concentration to a region where they are in low
concentration
- This is true in gases and for particles
dissolved in solutions
- This is true in gases and for particles
dissolved in solutions
- They move from a region where they are in high
concentration to a region where they are in low
concentration
- Diffusion happens when the particles are free to move
- Particles diffuse down a concentration
gradient, from an area of high concentration
to an area of low concentration
- EG. This is how the smell of cooking travels around
the house from the kitchen
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