U2) Simple Diffusion

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  • Created by: lieselb12
  • Created on: 19-04-20 16:11
What is simple diffusion?
Passive movement of particles in liquids and gases
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Does it require energy?
No
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What is the net movement?
Down concentration gradient from high to low
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What 3 substances moves in and out of cells?
CO2 O2 + urea
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What are these molecules known as?
Small + non polar (lipid soluble)
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What factors affect simple diffusion?
difference in concentration gradient + surface area+ diffusion pathway
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Other cards in this set

Card 2

Front

Does it require energy?

Back

No

Card 3

Front

What is the net movement?

Back

Preview of the front of card 3

Card 4

Front

What 3 substances moves in and out of cells?

Back

Preview of the front of card 4

Card 5

Front

What are these molecules known as?

Back

Preview of the front of card 5
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