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: Physiology
Detachment of myosin head from actin is caused by? 
Select and explain. 
A. Entry of calcium into sarcoplasmic reticulum, B. Change in troponin C configuration, C. Binding of ATP, D. Release of ADP and Pi
C: Binding of ATP
Answer: C: Binding of ATP 
Explanation: Ans.C. Binding of ATPBinding of ATP on the free site of myosin leads to the detachment of myosin head from thin filament.