During a high-intensity workout, a person's muscle cells rely on anaerobic glycolysis for energy. What enzyme is responsible for the first committed step of this process?
Q1. During a high-intensity workout, a person's muscle cells rely on anaerobic glycolysis for energy. What enzyme is responsible for the first committed step of this process?
Answer: Phosphofructokinase-1
Explanation: Phosphofructokinase-1 is the key regulatory enzyme, Hexokinase is similar but not specific to glycolysis