In skeletal muscle cells,calcium initiates contraction by binding to
A)tropomyosin.
B)actin.
C)troponin.
D)myosin.
E)the thick filament.

Name: In skeletal muscle cells,calcium initiates contraction by binding to A)tropomyosin. B)actin. C)troponin. D)myosin. E)the thick filament.
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Question

Quizplus · Accepted Answer

Calcium binds to troponin, causing a conformational change that moves tropomyosin out of the way and allows myosin to bind to actin, initiating muscle contraction.

In Skeletal Muscle Cells,calcium Initiates Contraction by Binding to