Question

The segment of a myofibril that is called a sarcomere runs from

• A. one Z line to the next Z line
• B. one H zone to the next H zone
• C. one A band to the next A band
• D. one end of a skeletal muscle to the opposite end

Answer 1

The correct option is A one Z line to the next Z line

The sarcomere is the fundamental unit of muscle structure. Its capacity for contraction is the essential trait that makes muscles work.