(Answered) Describe in detail the duration coupling in a skeletal

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Describe in detail the duration coupling in a skeletal muscle cell and describe on a molecular basis the resulting events leading up to and during the contraction, followed by relaxation.

Troponin molecules are evenly spaced along an actin filament with one troponin bound at every seventh actin molecule. How do you suppose troponin molecules can be positioned this regularly?

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