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: Microbiology
[{'content': 'Complement components are ? \nSelect and explain. \nA. Lipoproteins, B. Glycoproteins, C. Polysaccharides, D. Lipid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Glycoproteins The proteins and glycoprotiens that constitute the complement system are synthesized by hepatocytes" -- Internet "Most of the complement glycoproteins are synthesized predominantly by the liver, but macrophages and many other cell types are also sources of various complement components" - Medical immunology "Complement components are glycoproteins" -- Textbook of Human Blood Plasma Protiens', 'role': 'assistant'}]