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Fall 2013
In human cells, oscillations in calcium concentration serve as a mechanism for controlling a variety of physiological processes including muscle contraction and relaxation. The sarcoplasmic reticulum (SR) is a calcium storage organelle in muscle cells that contains a calcium pump (SERCA) required...
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Spring 2020
Oscillating cytosolic calcium concentrations dictate the contraction-relaxation cycles of muscle cells. Calcium release from the sarcoplasmic reticulum (SR) to the cytosol stimulates muscle contraction, while active transport of calcium back into the SR triggers muscle relaxation. Calcium...