TLS Online TPP Program

#Question id: 31365


To purify ‘A’ from a mixture of these four proteins in a single step, using ion-exchange chromatography, what combination of buffer pH and ion-exchange resin would you select?


#Unit 1. Molecules and their Interaction Relevant to Biology
  1. pH 1, Anion exchanger resin pH 4
  2. pH 2, anion exchanger resin pH 2
  3. pH 6, anion exchanger resin pH 6
  4. pH 8, cation exchanger resin pH 8