Question

During muscular contraction which of the following events occur?

1. ‘H’ zone disappears
2. ‘A’ band widens
3. ‘I’ band reduces in width
4. Myosine hydrolyzes ATP, releasing the ADP and Pi
5. Z-lines attached to actins are pulled inwards

Choose the correct answer from the options given below.

Options

• (a), (b), (c), (d) only

• (b), (c), (d), (e) only

• (b), (d), (e), (a) only

• (a), (c), (d), (e) only

Answer 1

(a), (c), (d), (e) only