Q.

The functions of tropomyosin in skeletal muscle include:

A. releasing Ca2+ after an action potential
B. sliding on actin to produce shortening
C. binding to myosin during contraction
D. acting as a “relaxing protein” at rest by covering up the sites where myosin binds to actin
E. generating ATP which passes to the contractile mechanism
Answer» D. acting as a “relaxing protein” at rest by covering up the sites where myosin binds to actin
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