Q. A sarcomere in the myofibrils of muscle is found in between
A) 2 M-lines
B) 2 Z-lines
C) 2 H-lines
D) 2 A-bands
Explanation
2 Z-lines. [image:20_image27.png] The thick filaments lies parallel to one another and thin filaments are present in orderly array between the thick filaments. In the centre of the I-band, there is a band of amorphous material called Z-line. In the middle of the A-band a comparatively less dark zone called H-zone of band is present. The area between the two Z-lines is called sarcomere. M-line is present, in the middle of H-zone
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.