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
Immunoglobulins are: 
Select and explain. 
A. Proteins, B. Glycoproteins, C. Proteoglycan, D. Glycoside
B: Glycoproteins
Answer: B: Glycoproteins 
Explanation: Ans. B. GlycoproteinsBiologically Important GlycoproteinsQPlasma proteins (except albumin)Blood group substancesHormones (hCG, TSH, LH.FSHQ)Enzyme: Alkaline PhosphataseStructural protein: CollagenTransport proteins: Ceruloplasmin, Transferrin Glycoproteins