<prompt> Key glycolytic enzymesPhosphofructokinaseHexokinasePyruvate kinaseAll of these  <response>: Hexokinase c i.e., Pyruvate kinaseGlycolysis is regulated at 3 steps which are irreversible. These reactions are catalyzed by following key enzymes: 1 Ilexolunase and glucokinase, 2 Phosphofructokinase - I, and 3 Pyruvate kinase. 