Answer :
Actin and myosin can separate from one another when myosin releases actin in response to ATP binding.
What two functions do ATP play in the contraction of muscles?
Fatty acids and glucose can both be used by muscle cells for aerobic respiration. In muscle cells, ATP is required for the active transport of calcium (Ca++) and the movement of motor proteins.
What part does ATP play in the contraction of muscles?
Only ATP serves as the source of energy for muscular contraction. The muscle's ATP supply will be exhausted during near maximally intensive exercise in less than one second; as a result, ATP must constantly be produced in order to sustain normal contractile function.
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