Question

A Sarcomere in the myofibrils of muscle is found in between

• A. 2M-lines
• B. 2Z-lines
• C. 2H-zones
• D. 2 A-bands

Answer 1

Answer: (B)

2Z-lines.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 or band is present. The area between the two Z-lines is called sarcomere. M-line is present, in the middle of-zone.