The Contraction of Skeletal Muscles Is Based on

question 76

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.

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