Which of the following does not form part of the thin filaments of a muscle cell?
A)actin
B)troponin
C)tropomyosin
D)myosin
E)calcium-binding site

Question

Quizplus · Accepted Answer

Myosin is a component of the thick filaments in a muscle cell, and is not found in the thin filaments. The other options (actin, troponin, tropomyosin, calcium-binding site) are all components of the thin filament.

Which of the Following Does Not Form Part of the Thin