Potassium chloride, for molecular biology is potassium chloride that can be used in molecular biology. Potassium chloride, for molecular biology affects the stability of biological membranes by disrupting the electrostatic interactions between proteins and lipids. Potassium chloride, for molecular biology affects the solubility of myofibrillar proteins and the integrity of mitochondria. Potassium chloride, for molecular biology is commonly used in homogenization buffers and protein extraction procedures[1][2][3][4][5][6][7].