TLS Online TPP Program

#Question id: 11486


The contraction of skeletal muscles is based on ________

#Unit 7. System Physiology – Animal
  1. myosin filaments coiling up to become shorter
  2. actin and myosin filaments both coiling up to become shorter
  3. actin cross-bridges binding to myosin and transitioning from a high-energy to a low-energy state
  4. myosin cross-bridges binding to actin and transitioning from a high-energy to a low-energy state