According to the sliding filament theory of muscle contraction,
A)actin binds ATP and breaks it apart as actin pulls against myosin.
B)calcium ions are released from myosin as the filaments slide by.
C)the thick and thin filaments do not change length during this process.
D)an accordion-like pleat is formed as the myosin and actin interact.
E)All of the choices are correct.

Question

Quizplus · Accepted Answer

The sliding filament theory states that during muscle contraction, the thick (myosin) and thin (actin) filaments slide past each other without changing length, leading to muscle shortening.

According to the Sliding Filament Theory of Muscle Contraction