This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Method of chromatography in which molecules that are negatively charged are selectively released from stationary phase into the positively charged molecules in mobile phase is termed as:Affinity chromatography \nSelect and explain. \nA. Affinity chromatography, B. Ion - Exchange chromatography, C. Adsorbtion chromatography, D. Size - Exclusion chromatography', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ion exchange chromatography is the chromatography in which molecules are separated on the basis of charge. Ref: Applications of High Performance Liquid Chromatography By Andrew Pryde, Mary T. Gilbe, Pages 50, 53; Biochemistry By Reginald Garrett, Charles M. Grisham, Page 127.', 'role': 'assistant'}]