1. Which of the following ions is responsible for unmasking of active binding sites on actin for forming cross-bridge during muscle contraction?

2. Sliding theory states that

3. Which of the following is correct for muscle contraction?

4. Which of the following shows ATPase activity during muscle contraction?

5. Which of the following is correct for muscle contraction?

6. Sarcomere is

7. This is a contractile protein of muscles

8. Which of the following is a functional unit of striated muscles?

9. When actin filaments are dragged towards M-line, it is known as

10. Accumulation of __________ causes muscle fatigue