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: Unknown
[{'content': 'Lipoprotein A shows homology with: \nSelect and explain. \nA. Plasminogen, B. Albumin, C. Prothrombin, D. Plasmin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Refer: Harper’s Illustrated Biochemistry, 27th edition)\nLipoprotein A, Lp (a)\n\nLp (a) is a lipoprotein similar to LDL in lipid and protein composition, but it contains an additional protein called apolipoprotein(a) \nApo (a) is synthesized in the liver and attached to apoB-100 by a disulfide linkage.\nThe major site of clearance of Lp(a) is the liver, but the uptake pathway is not known.\nLp (a) causes fibrin complex deposition.\nLp (a) has structural similarity with Plasminogen.\nInhibits the tissue plasminogen action.\nInhibits the solubilization of fibrin by the action of plasmin.\nOxidized Lp (a) taken up by macrophages.\nLp (a) as a risk factor for atherosclerotic diseases such as coronary heart disease and stroke.', 'role': 'assistant'}]