Which of the Following is Made Up of Alpha-Actinin, Which

Question

Which of the following is made up of alpha-actinin, which anchors the thin filaments?
A) M line
B) Z line
C) H band
D) I band
E) A band

Accepted Answer

The Z line in muscle fibers is made up of alpha-actinin, which serves to anchor the thin filaments. This structure is crucial for the organization of sarcomeres, the basic units of muscle contraction.