Multiple Choice
In excitation-contraction coupling,
A) Ca2+ must bind with myosin to expose active sites on actin.
B) myosin heads bind to exposed active sites on actin.
C) cross-bridges form between myosin heads and Ca2+.
D) movement of the troponin-tropomyosin complex causes actin myofilaments to slide.
E) ATP binds to actin myofilaments.
Correct Answer:
Verified
Correct Answer:
Verified
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