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Muscle Contraction Steps

This is page of muscle notes. It puts the process in a diagram form that makes it more applicable for learning the steps.

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47.6 The Release of Ca2+ from the Sarcoplasmic Reticulum Triggers Muscle Contraction When Ca2+ binds to troponin, it exposes actin-myosin binding sites. As long as binding sites and ATP are available, the cycle of actin and myosin interactions continues, and the filaments slide past each other.

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How to Make Eggshell Calcium (and Why You'd Want to

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1:43 myosin wearing Tropin mitts bind calcium and than the cutie patootie pulls actin filaments for muscle contraction.

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