Multiple Choice
The _______ activates _______, which phosphorylates myosin heads, leading to cycles of binding and releasing of actin in smooth muscle cells.
A) enzyme myosin kinase; myosin phosphatase
B) Ca2+-calmodulin complex; myosin kinase
C) Ca2+ in the sarcoplasm; myosin kinase
D) myosin-Ca2+ complex; myosin phosphatase
E) Ca2+-calmodulin complex; myosin phosphatase
Correct Answer:

Verified
Correct Answer:
Verified
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