Binding of myosin to actin in skeletal muscle cells does not normally take place in the absence of Ca²⁺.

Name: Binding of myosin to actin in skeletal muscle cells does not normally take place in the absence of Ca²⁺.
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Question

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The binding of myosin to actin in skeletal muscle cells requires the presence of Ca²⁺ ions. Without Ca²⁺, the myosin heads cannot bind to the actin filaments and muscle contraction cannot occur.

Binding of Myosin to Actin in Skeletal Muscle Cells Does