One Sarcomere Contains All of the Following EXCEPT

Question

One sarcomere contains all of the following EXCEPT:
A) the H zone
B) myosin
C) myofibrils
D) the M line

Accepted Answer

A sarcomere, the basic contractile unit of muscle fiber, contains the H zone, myosin, and the M line, but not myofibrils. Myofibrils are the larger structures within muscle cells that contain many sarcomeres aligned end to end.