Q22
The role of calcium in muscle contraction is to
A.
Break the cross-bridges as a cofactor in the hydrolysis of ATP
B.
Bind with troponin, changing its shape so that the actin filament is exposed
AnswerC.
Transmit the action potential across the neuromuscular junction
D.
Spread the action potential through the T tubules
Answer: Option B
Solution
Answer: Option B
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