What does the thick filament do during a muscle contraction?
A)Pulls on the thin filament
B)Blocks the actin active site
C)Stabilizes the Z-disc
D)Forms a stationary wall for the thin filament to pull against

Question

Quizplus · Accepted Answer

During muscle contraction, the thick filament, composed primarily of myosin, pulls on the thin filament, which is primarily actin, by forming cross-bridges and sliding past each other, leading to muscle shortening.

What Does the Thick Filament Do During a Muscle Contraction