Unlike skeletal muscle,
A) Smooth muscle is striated
B) Smooth muscle does not have thick and thin filaments
C) Smooth muscle does not use troponin-tropomyosin to regulate cross-bridge activity
D) Smooth muscle does not use changes in cytosolic calcium to regulate cross-bridge activity
E) The myosin in smooth muscle requires phosphorylation before it can bind to ATP
Correct Answer:
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