The Contraction of Skeletal Muscles Is Based on

Multiple Choice

The contraction of skeletal muscles is based on

A) actin filaments coiling up to become shorter.
B) myosin filaments coiling up to become shorter.
C) actin and myosin filaments both coiling up to become shorter.
D) actin cross-bridges binding to myosin and transitioning from a high-energy to a low-energy state.
E) myosin cross-bridges binding to actin and transitioning from a high-energy to a low-energy state.