tch the each of the foliowing type of column chromatography with their corresponding description. te: all choices will be uted exacly once ion exchange column (IEX) A. a specific ligand is attached to the particle resin in the column gol fitrabon column (GFC) A. relies on charge-charge interactions between the proteins in your sample and the afinify column (AC) charges on the particle resin reverse phase column (PPC) C for one type, a decreasing salt gradient is used to separate samples in order of increasing hydrophobicity. D. ability to separate protein sampies by size uning porous particles