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Calcium Turns on Cross Bridges by Physically Repositioning the Troponin-Tropomyosin

Question 26

Multiple Choice

Calcium turns on cross bridges by physically repositioning the troponin-tropomyosin complex to uncover the actin cross-bridge binding sites in

A) skeletal muscle
B) cardiac muscle
C) smooth muscle
D) all of these
E) skeletal and cardiac muscles

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