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Musculoskeletal System
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Musculoskeletal System
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47. Muscle Systems / Musculoskeletal System / Problem 4
What is the role of troponin in muscle contraction?
A
It covers the actin filament protecting it
B
It releases ATP necessary for muscle movement
C
It adjusts the pressure on the muscle
D
It interacts with the Ca2+ to expose the myosin-binding sites on the actin filament
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