Which of the following statements best describes the power stroke of muscle contraction?
A) The myosin head bends, pulling the thick filament toward the center of the sarcomere.
B) The myosin head bends, pulling the thin filament toward the center of the sarcomere.
C) The actin head bends, pulling the thin filament toward the center of the sarcomere.
D) The actin head bends, pulling the thick filament toward the center of the sarcomere.

Question

Quizplus · Accepted Answer

During the power stroke of muscle contraction, the myosin head bends, pulling the thin filament (actin) toward the center of the sarcomere, which shortens the muscle and generates force.

Which of the Following Statements Best Describes the Power Stroke