Lecture #3 (ending a muscle contraction)
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Last updated 6:40 PM on 4/5/26
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7 Terms
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1.
Breakdown ACH in the synoptic cleft using an enzyme called acetylcholinesterase (ACH-ase)
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2.
No more AP travelling across the sarcolemma or through the T-tubules
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This stops the release of Ca2+ from the SR into the sarcoplasm
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The tropomyosin REBLOCKS the active myosin binding sites on the actin
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Cross-bridge unable to form
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Muscle contraction cycle stops and muscle relaxes
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What enzyme is used to initiate this process?
acetylcholinesterase (ACH-ase)
