Cell receptors located on the surface identify specific signals and thus trigger different signaling pathways.
A cell receptor is any type of macromolecule in the cell surface that binds to a specific ligand and thus triggers a concomitant cell response.
Cell receptors such as surface oligosaccharides or hormone receptors may trigger the activation of transcription factors and genes associated with phosphorylation in a signaling pathway.
The shape and polarity of communication molecules are fundamental to achieving effective binding by means of cell surface receptors.
In conclusion, cell receptors on the cell surface trigger signaling pathways.
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