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Biomembrane

The first cell probably came into being when a membrane formed, enclosing a small volume of aqueous solution and separating it from the rest of the universe

Biomembrane

  • Plasma membrane
  • Membrane bound organelles (Eukaryotes)

Defines the cell or organelles boundaries and separates the inside from the outside

Regulate the molecular traffic across that boundary (selective permeability-Retain certain compounds and ions within cells or organelles)

Biological energy conservation(Catalyze ATP synthesis- prokaryotes plasma

Membrane- mitochondria)

Cell-to-cell communication(receptors sense extracellular signals and trigger molecular changes in the cell-adhesion molecules hold neighboring cells together)

Biomembrane Structure

The CELL

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