Which of the following major protein components of skeletal muscle is incorrectly matched with its function?
A)myomesin- myosin binding protein present at M line
B)actin- major component of thin filaments
C)troponin- binds along the length of the thin filaments and covers myosin binding sites
D)titin- links thick filaments at Z line
E)nebulin- links thin filaments at Z line

Question

Quizplus · Accepted Answer

Troponin does not cover myosin binding sites; it regulates muscle contraction by binding calcium and causing tropomyosin to move, exposing the myosin binding sites on actin.

Which of the Following Major Protein Components of Skeletal Muscle