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What is the role of Ca^(++) in muscle co...

What is the role of `Ca^(++)` in muscle contraction?

A

It binds to tropomysin,enabling troponin to move and reveal binding sites for cross-bridge formation

B

It binds to tropomysin,enabling tropomyosin to move and reveal binding sites for cross-bridge formation

C

It binds to tropomyosin,enabling troponin to release ATP

D

It binds to troponin,enabling tropomyosin to release ATP

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