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
Which of following enzyme is active in dephosphorylated form? 
Select and explain. 
A. Glucokinase, B. PFK-2, C. Pyruvate kinase, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Enzyme active in dephosphorylated form:

Glucokinase
Phosphofructose kinase - 2
Pyruvate kinase

Harper 30th edition