Mechanism of muscle contraction is best explained by the sliding filament theory which states that c

Question

Mechanism of muscle contraction is best explained by the sliding filament theory which states that contraction of muscle fibre takes place by the sliding of the thin filaments over the thick filaments. The stages of cross bridge formation, rotation of head and breaking of cross bridge regarding mechanism of muscle contraction are shown as follows:\ Select the incorrect statement.\

Professor PC Thomas Classes · Answer

(c) : Actin filament $(X)$ is firmly attached to the $Z$ line.