The calcium ions released into the cytosol during excitation of skeletal muscle bind to
A) troponin.
B) tropomyosin.
C) actin.
D) myosin.
E) transverse tubules.

Name: The calcium ions released into the cytosol during excitation of skeletal muscle bind to A) troponin. B) tropomyosin. C) actin. D) myosin. E) transverse tubules.
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Question

Quizplus · Accepted Answer

The binding of calcium ions to troponin causes a conformational change in tropomyosin, allowing myosin to bind to actin and initiate muscle contraction.

The Calcium Ions Released into the Cytosol During Excitation of Skeletal