This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
High energy phosphate compounds are 
Select and explain. 
A. ATP, B. ADP, C. Creatinine phosphate, D. Acetyl CoA
A: ATP
Answer: A: ATP 
Explanation: Adenosine triphosphate, coenzyme used as an energy carrier in the cells of all known organisms; the process in which energy is moved throughout the cell