Essay
Describe calcium's role in the contraction of the sarcomere in skeletal and cardiac muscle tissues.Include the following in your answer: sarcomere, myosin, actin, myosin-binding sites, cross bridge, sarcoplasmic reticulum, ATP, ADP and Pᵢ, troponin, tropomyosin, and Ca²⁺ channels.
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In skeletal and cardiac sarcomeres, trop...View Answer
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