Cell Membrane

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  1. Functions
    • Boundary- separates interior for outer atmosphere
    • Regulating- what comes in and goes out
    • Regulates chemical environment- maintain homeostasis
  2. Selectively Permeable Membrane
    only some molecules can pass through
  3. CAN Pass Through
    • non-polar molecules(CO2, oxygen)
    • uncharged molecules
    • small molecules(water)
  4. CANNOT pass through
    • polar molecules(sugar)
    • charged molecules
    • large molecules
  5. Cholesterol
    • temperature determines fludity
    • warmer= cannot move
    • cooler= can move
    • located withing tails
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243058
Card Set
Cell Membrane
Description
Cell Membrane
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