Receptor

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A receptor is a protein which recieves extracellular signals which causes a change in the cell via the action of intracellular signalling proteins on a target protein. They can be cell suface (transmembrane spanning) e.g. the insulin receptor, or intracellular e.g. steriod hormone receptor.[1]


References

  1. ↑ Alberts B.(2002),Microbiology of the cell,4th Edition United States,Garland Science, pg 831
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