Cell signaling

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  • Created by: wilby99
  • Created on: 12-01-16 09:49


  • Proteins in the membrane act as receptors and are called 'membrane-bound receptors'.
  • They have specific shapes that only complimentary messenger molecules can bind to.
  • A cell that responds to a specific messenger molecule is called a target cell.


  • They bind to receptors in the cell which then triggers a response.
  • Glucagen: released when there isnt enough glucose in the blood. it binds to the receptor cell in the liver, causing it to break down.
  • FSH: released by the pituatry gland during the


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