This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Immunoglobulins are: \nSelect and explain. \nA. Proteins, B. Glycoproteins, C. Proteoglycan, D. Glycoside', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. GlycoproteinsBiologically Important GlycoproteinsQPlasma proteins (except albumin)Blood group substancesHormones (hCG, TSH, LH.FSHQ)Enzyme: Alkaline PhosphataseStructural protein: CollagenTransport proteins: Ceruloplasmin, Transferrin Glycoproteins', 'role': 'assistant'}]