This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Classification of carbohydrate, Subject name: Biochemistry
Which form of Carbohydrate is present in Glycoprotein ? 
Select and explain. 
A. Monosaccharide, B. Sugar alcohol, C. Homo Polysaccharide, D. Hetero Polysaccharide
A: Monosaccharide
Answer: A: Monosaccharide 
Explanation: Option a : Glycoprotein either contains monosaccharide or Oligosaccharide but never polysaccharide Proteoglycan Glycoprotein Carbohydrate >>>> Protein Protein >>>> Carbohydrate Carbohydrate poion is always a Heteropolysaccharide Carbohydrate poion is either a Monosaccharide or Oligosaccharides (Never a Polysaccharide) Carbohydrate is long and linear Carbohydrate is sho and highly branched e.g. Aggrecan, Syndecan e.g. Collagen