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Describe a muscle contraction, be sure to include all the players (example – sarcoplasmic reticulum, actin,...

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Medical Sciences

Describe a muscle contraction, be sure to include all theplayers (example – sarcoplasmic reticulum, actin, myosin…) and asloexpalin the responsiveness of skeletal,cardiac, and smoothmuscle

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4.1 Ratings (473 Votes)
Muscle ContractionMuscle contraction is tightening or shortening of amuscle based on variation in tension or lengthrespectivelyAction potential from nerve impulse to sarcolemmaspreads through sarcoplasmic reticulum through Ttubules whichresults in release of calcium ions Ca2 from the sarcoplasmicreticulumThese calcium ions stimulate the regulatory proteins andbinds with Troponin C regulatory protein The other regulatoryproteins Troponin T and Troponin I also plays major role in maskingmyosin    See Answer
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