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| Subcellular Fractions Fraction, Subcellular | Fractions, Subcellular | Subcellular Fraction Components of a cell produced by various separation techniques which, though they disrupt the delicate anatomy of a cell, preserve the structure and physiology of its functioning constituents for biochemical and ultrastructural analysis. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p163) |