Q. 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
(C) Transmit the action potential across the neuromuscular junction
(D) Spread the action potential through the T tubules

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✅ Correct Answer: (B) Bind with troponin, changing its shape so that the actin filament is exposed

Published by Mr. Dubey ⭐ 111.54K Points at 27-Sep-2023 10:32 pm in Basic Principles of Biotechnology

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