Question

The functional unit within a muscle fiber is called a sarcomere. Which of the following does not make up part of the sarcomere?

A. Actin
B. Myosin
C. Troponin
D. Z-line

Answer 1

The sarcomere is the functional unit of a muscle fiber. Troponin does not make up part of the sarcomere.

Step-by-step explanation:

The sarcomere, which is the functional unit of a muscle fiber, is made up of several components. Among these components, the one that does not make up part of the sarcomere is Troponin.