Ferrell, James E Feedback regulation of opposing enzymes generates robust, all-or-none bistable responses. [electronic resource] - Current biology : CB Mar 2008 - R244-5 p. digital Publication Type: Letter; Research Support, N.I.H., Extramural ISSN: 0960-9822 Standard No.: 10.1016/j.cub.2008.02.035 doi Subjects--Topical Terms: CDC2 Protein Kinase--metabolismCell Cycle Proteins--metabolismFeedback, Physiological--physiologyProtein-Tyrosine Kinases--metabolismXenopus Proteins--metabolismcdc25 Phosphatases--metabolism