Health, 23.07.2019 04:20 brianna4455
In cardiac muscle, calcium ions do not bind to troponin molecules. calcium ions are not released from the sarcoplasmic reticulum. calcium ions play an important role in repolarizing the membrane after the depolarization phase. about 20 percent of the calcium ion required for contraction comes from outside the cell. calcium ions play no role in the process of contraction.
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In cardiac muscle, calcium ions do not bind to troponin molecules. calcium ions are not released fro...
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