The cellular determinants of K+ secretion in the principal cell include the intracellular K+ concentration, the luminal K+ concentration, the potential (voltage) difference across the luminal membrane, and the permeability of the luminal membrane for K+.
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Parts: $75 - $196. The average cost for a brake caliper replacement-rear is between $209 to $366. Labor costs are estimated between $134 to $170 while parts are priced between $75 to $196.Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.arts: $75 - $196. The average cost for a brake caliper replacement-rear is between $209 to $366. Labor costs are estimated between $134 to $170 while parts are priced between $75 to $196.