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Question
Choose the correct option.
Role of calcium in muscle contraction is ______.
Options
to break the cross-bridges as a cofactor in the hydrolysis of ATP
to bind with troponin, changing its shape so that the actin filament is exposed
to transmit the action potential across the neuromuscular junction.
to re-establish the polarisation of the plasma membrane following an action potential
MCQ
Fill in the Blanks
Solution
Role of calcium in muscle contraction is to bind with troponin, changing its shape so that the actin filament is exposed.
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Working of Skeletal Muscles
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