title: Cell growth signal transduction is quantal.
mesh_terms: D000818:Animals; D002453:Cell Cycle; D002455:Cell Division; D006801:Humans; D007700:Kinetics; D008024:Ligands; D008433:Mathematics; D018448:Models, Immunological; D011789:Quantum Theory; D015375:Receptors, Interleukin-2 / Q000502:physiology*; D015398:Signal Transduction; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology*
chemical_list: D008024:Ligands; D015375:Receptors, Interleukin-2