The Protein That is Found in the Z Line of a Sarcomere

Question

The protein that is found in the Z line of a sarcomere is called
A) actinin.
B) titin.
C) nebulin.
D) myosin.
E) actin.

Accepted Answer

The protein found in the Z line of a sarcomere is actinin. This protein forms a lattice-like structure that helps to anchor the thin filaments of actin in place.