Cell membrane structure

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  • Biological membrane
    • are "fluid mosaics"
      • Mosaic part made of PROTEIN
        • can be INTEGRAL
          • which means EMBEDDED IN MEMBRANE
        • can be PERIPHERAL
          • which means NOT EMBEDDED IN MEMBRANE
        • have functions such as ENZYMES
          • promote chemical reactions that SYNTHESISE OR BREAK APART BIOLOGICAL MOLECULES
        • have functions such as ADHESION
          • which helps CELLS IN TISSUES STAY CONNECTED
        • have functions such as TRANSPORT
          • can be CHANNELS
            • serve as PORES THROUGH WHICH SUBSTANCES CAN MOVE
          • can be CARRIERS
            • which function to MOVE SUBSTANCES INTO OT OUR OF THE CELL
          • that function to REGULATE TRANSPORT OF MATERIALS INTO/OUT OF THE CELL
        • have functions such as RECEPTORS
          • which bing to specific molecules found outside the cell and TRIGGER CHANGES IN THE CELL
        • often these are GLYCOPROTEINS
          • which are PROTEINS WITH AN ATTACHED OLIGIOSACCHARIDE
      • fluid part is made of PHOSPHOLIPID
        • made of two TAILS
          • made of FATTY ACID
            • attached to GLYCEROL
              • is composed of PHOSPHATE
                • that is   HYDROPHILIC
                  • which means "WATER LOVING"
            • which is a chain of carbon and hydrogen's called a HYDROCARBON
              • can be SATURATED
                • which means there're NO DOUBLE BONDS
                  • which leads to DECREASED FLUIDITY
              • can be UNSATURATED
                • which means there're DOUBLE BONDS
                  • which leads to INCREASED FLUIDITY
          • that are HYDROPHOBIC
            • which means "WATER FEARING"
        • made of a HEAD
          • is composed of PHOSPHATE
            • that is   HYDROPHILIC
              • which means "WATER LOVING"
    • also contains CHOLESTEROL
      • which MODULATES FLUIDITY
    • arranged in a BILAYER

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