Question

Sarcomere is a segment of a striated muscle fibre between two

• A. Z- lines
• B. M- lines
• C. H - lines
• D. I - lines

Answer 1

Answer: (A)

Z- lines

Fundamental repeating unit of skeletal myofibrils is sarcomere. It is the segment of a striated muscle fibre. It is the repeating unit between 2 Z lines. It is bordered between Z lines. This sarcomere gives striated appearance to the skeletal muscle.

Thus, the correct answer is 'Z- lines.'