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Plasma Membrane (Cell Membrane (Selective permeability, Flexible allows a…
Plasma Membrane
Cell Membrane
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Think of Oreo Cookie, fatty cream on inside, dissoluble biscuit on outside
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Membrane transport
Diffusion Passive requires no energy. Move in response to concentration gradient. Move from high to low concentration
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Facilitated diffusion. Movement of a molecule from high to low concentration with the help of a carrier protein
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Active transport requires energy - ATP goes from low to high concentration requires carrier proteins
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Homeostasis
Balanced internal condition of the cell. Also called an equilibrium, maintained by cell membrane controlling what enters and leaves the cell.
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