What is the function of troponin and tropomyosin during skeletal muscle contraction?
A) To generate an action potential
B) To increase the amount of calcium entering the muscle fiber
C) To regulate bonding between actin and myosin
D) To remove calcium from the muscle fiber
E) To prevent over-contraction of muscle fibers

Question

Quizplus · Accepted Answer

Troponin and tropomyosin regulate the interaction between actin and myosin filaments during muscle contraction. They control the access of myosin to binding sites on actin, thereby regulating muscle contraction.

What Is the Function of Troponin and Tropomyosin During Skeletal