Diffusion

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What is diffusion the movement of?
molecules and ions
1 of 10
Does diffusion go up or down the concentration gradient?
down
2 of 10
The type of transport which needs no metabolic energy
passive
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What are the three main factors which effect rate of diffusion?
Concentration gradient, Surface area of diffusion surface, thickness of diffusion surface
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What two types of protein does facilitated diffusion use?
Channel protein and carrier protein
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What types of molecules do channel proteins allow into the cell?
water-soluble
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What are the three main factors which affect the rate of diffusion?
1) Concentration gradient 2) Surface area of exchange surface 3)
7 of 10
What are the three main factors which affect the rate of diffusion?
1) Concentration gradient 2) Surface area of exchange surface 3) Thickness of exchange surface
8 of 10
What are the three main factors which affect the rate of diffusion?
1) Concentration gradient 2) Surface area of exchange surface 3) Thickness of exchange surface
9 of 10
What is the term for when the concentration of molecules/ions is equal on each side?
In equilibrium
10 of 10

Other cards in this set

Card 2

Front

Does diffusion go up or down the concentration gradient?

Back

down

Card 3

Front

The type of transport which needs no metabolic energy

Back

Preview of the front of card 3

Card 4

Front

What are the three main factors which effect rate of diffusion?

Back

Preview of the front of card 4

Card 5

Front

What two types of protein does facilitated diffusion use?

Back

Preview of the front of card 5
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