The Movement of Actin and Myosin Fibers in a Muscle

Multiple Choice

The movement of actin and myosin fibers in a muscle contraction contains all of the following steps EXCEPT

A) the myosin head attaches to the actin filament.
B) myosin rolls up from one end,forming a ball.
C) the myosin filament advances relative to the actin filament.
D) the globular myosin head detaches from the actin filament.
E) the myosin head returns to its original conformation.