This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
The enzyme not present in the skeletal muscles 
Select and explain. 
A. Creatinine phosphokinase, B. Hexokinae, C. Phosphofructokinase, D. Glucose 6 phosphatase
D: Glucose 6 phosphatase
Answer: D: Glucose 6 phosphatase 
Explanation: Glucose 6 phosphatase