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: \nSelect and explain. \nA. Affinity chromatography, B. Ion-Exchange chromatography, C. Adsorbtion chromatography, D. Size-Exclusion chromatography', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Ion-Exchange chromatography', 'role': 'assistant'}]