Biochemistry Which of the following when absent would impair the rate-limiting step of glycogenolysis? A 1,4-Glucoronosyl troanterase B Glycogen synthetase C Glycogen phosphorylase D Phosphoglucomutase 💡 Explanation Which of the following when absent would impair the rate-limiting step of glycogenolysis? ✓ Correct Answer: C. Glycogen phosphorylase