This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
The protein responsible for elasticity of the muscle is: 
Select and explain. 
A. Actin, B. Myosin, C. Titin, D. All
C: Titin
Answer: C: Titin 
Explanation: Titin is responsible for the elasticity of the muscle present in hea and skeletal muscle Actin and myosin are regarded as contractile proteins Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:86,87