Membrane Characteristics

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7 Terms

1
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Selectively Permeable

Membranes don’t let everything get through, only specific things

  • What can get through for example: water, CO2, C6H12O6, waste, heat

2
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fluid, flexible

Like a pool of ping-pong balls, membranes are ? and ?

3
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self-repair

Membranes can ? if damaged

4
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proteins

Membrane ? have special functions

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polar

? things struggle to pass through membranes

  • gets stuck to phospholipid heads

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ions

? and large molecules also have trouble getting through membranes because they get stuck / repelled

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helper

Polar things, ions, and large molecules need a ? to get past a membrane