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ATP energy and calcium ion effect on muscles

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Explain the relation between muscles, ATP energy, and the calcium ion.
I will be using for class, If there are any references please include them.

If there is any way one can provide specific examples as well related to the different relations I would really appreciate it.

Thank you

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Solution Summary

The relation between ATP and calcium ions on muscles is described.

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1.Calcium allows the myosin head to interact with the actin filaments using ATP in the process.(Doesn't cause ATP formation).

2.Troponin is attached to the protein tropomyosin and lies within the groove between actin filaments in ...

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