This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidneys and Body Fluids, Subject name: Physiology
[{'content': 'Albumin does not pass through the glomerulus due to the presence of? \nSelect and explain. \nA. Proteoglycans, B. Glycolipid, C. Phospholipid, D. Carbohydrates', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a (Proteoglycans). (Ref. Ganong, Physiology, 21st/pg.710)Albumin is small plasma protein with molecular weight 69,000.The basement portion of glomerulus is lined by proteoglycans that have strong negative electrical charge and the plasma proteins also have strong negative electrical charge and therefore albumin is not allowed to pass through the glomerulus.', 'role': 'assistant'}]