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Microbiology Cell Membrane Components

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  • Integral protein

    Protein embedded within the cell membrane, spanning or partially spanning the bilayer.

  • Peripheral protein

    Protein attached to the membrane surface, not embedded in the bilayer.

  • Receptor

    Membrane protein that binds signaling molecules to trigger cellular responses.

  • Ligand

    Molecule that binds specifically to a receptor to initiate a signal.