<prompt> In glycolysis, the first committed step is catalysed by-a 2, 3 DGPb Glucokinasec Hexokinased Phosphofructokinase  <response>: Phosphofructokinase catalyzes the commited step of glycolysis, meaning that once fructose l, 6 - bisphosphate is formed it must go for the glycolytic pathway only 