In smooth muscle,the thin filaments are attached to ______ that will draw the cell inward during contraction.
A)thick filaments
B)Z lines
C)dense bodies
D)myosin

Question

Quizplus · Accepted Answer

In smooth muscle, thin filaments are attached to dense bodies rather than Z lines as in striated muscle. During contraction, the dense bodies pull the cell inward as the thin filaments slide past the thick filaments. Myosin is the thick filament in both smooth and striated muscle, but it is not directly involved in attachment to the thin filaments in smooth muscle.

In Smooth Muscle,the Thin Filaments Are Attached to ______ That