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Plasma Membrane Structure and Function

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Termini in questo insieme (13)

  • Phospholipid bilayer orientation
    The bilayer has hydrophilic heads facing outward and hydrophobic tails facing inward.
  • Role of cholesterol in the plasma membrane
    Cholesterol modulates membrane fluidity, maintaining membrane stability and flexibility.
  • Function of glycoproteins and glycolipids
    They are involved in cell recognition and signaling on the membrane surface.
  • Anchoring proteins in the membrane
    Anchoring proteins attach the membrane to the cytoskeleton or extracellular matrix.
  • Identifier proteins in the membrane
    Identifier proteins serve as cell recognition markers.
  • Enzymatic proteins in the membrane
    Enzymes embedded in the membrane catalyze chemical reactions at the cell surface.
  • Receptor proteins function
    Receptors bind signaling molecules to transmit signals into the cell.
  • Carrier proteins role
    Carrier proteins transport specific substances across the membrane.
  • Channel proteins function
    Channels allow passive movement of ions or molecules through the membrane.
  • Signaling proteins in the membrane
    Signaling proteins transmit information into the cell to trigger cellular responses.
  • Plasma membrane composition
    The plasma membrane is a selectively permeable barrier made of a phospholipid bilayer with embedded proteins, cholesterol, glycoproteins, and glycolipids.
  • Function of the plasma membrane
    It separates the cell from its environment and regulates substance movement in and out of the cell.
  • Fluid-mosaic model description
    Describes the membrane as a dynamic structure with proteins and lipids moving laterally, allowing flexibility and specialized domains.