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 cross-bridges binding to myosin and transitioning from a high-energy to a low-energy state.
D) myosin cross-bridges binding to actin and transitioning from a high-energy to a low-energy state.
Correct Answer:

Verified
Correct Answer:
Verified
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