Q. I. $Ca^{2 +}$ ions pumps back to sarcoplasmic reticulum II. Z-lines back to their original position III. Masking of actin filament IV. Relaxation of muscles Arrange the above given steps in the sequence of event from first to last
A) I $\rightarrow$ II $\rightarrow$ III $\rightarrow$ IV
B) I $\rightarrow$ III $\rightarrow$ II $\rightarrow$ IV
C) IV $\rightarrow$ III $\rightarrow$ II $\rightarrow$ I
D) IV $\rightarrow$ III $\rightarrow$ I $\rightarrow$ II
Explanation
I $\rightarrow$ III $\rightarrow$ II $\rightarrow$ IV
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.