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Oswald Hills

Feb 20, 2025

How an action potential affects Ca2+ movement in a muscle cell?

I don't know the order.ca2+ diffuses into myofibrilca2+ diffuses out of myofibrilca2+ channels in Sarcoplasmic reticulum openca2+ diffuses out of SRca2+ pumped into SRcytosolic ca2+ level risesca2+ channels in SR closecytosolic ca2+ level dropsaction potential propogates down t tubuleaction potential completedthanks!
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action potential propogates down t tubuleca2+ channels in Sarcoplasmic reticulum openca2+ diffuses out of SRcytosolic ca2+ level risesca2+ diffuses into myofibril --> contraction. action potential completedca2+ channels in SR closeca2+ diffuses out of myofibrilca2+ pumped into SRcytosolic ca2+ level drops... Show More
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Part C- How an action potential affects Ca2+ movement in a muscle cellMastering Biology... Show More
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1. action potential propagates down t tubuleca2+ channels in SR openCa2+ diffuses out of SRcytosollic ca2+ level risesca2+ diffuses into myofibrilaction potential completedca2+ channel in SR closedca2+ pumped into SRcytosolic Ca2+ level drops10. ca2+ diffuses out of myofibril... Show More
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here's the answer from mastering biology for anyone else who may need it... Show More
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