title: The molecular basis of communication within the cell.
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology; D002453:Cell Cycle; D002462:Cell Membrane / Q000502:physiology; D002468:Cell Physiological Phenomena; D002477:Cells / Q000378:metabolism; D000242:Cyclic AMP / Q000378:metabolism / Q000502:physiology; D004075:Diglycerides / Q000502:physiology; D020558:GTP Phosphohydrolases / Q000378:metabolism; D006133:Growth Substances / Q000502:physiology; D006160:Guanosine Triphosphate / Q000378:metabolism / Q000502:physiology; D006801:Humans; D007295:Inositol Phosphates / Q000502:physiology; D007313:Insecta; D009474:Neurons / Q000378:metabolism; D009857:Oncogenes; D010766:Phosphorylation; D010786:Photoreceptor Cells / Q000502:physiology; D014981:Xenopus
chemical_list: D004075:Diglycerides; D006133:Growth Substances; D007295:Inositol Phosphates; D006160:Guanosine Triphosphate; D000242:Cyclic AMP; D020558:GTP Phosphohydrolases; D002118:Calcium