Question

Which of these is found at the two ends of a sarcomere?

• A. ‘H’ line
• B. ‘A’ line
• C. ‘M’ line
• D. ‘Z’ line

Answer 1

Answer:

D. ‘Z’ line

• The two ends of a sarcomere or a contractile unit of a muscle is marked by the presence of ‘Z’ lines.

• It contains one whole ‘A’ band or anisotropic band and half of an ‘I’ band or isotropic band.