This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemistry of Carbohydrates, Amino sugars, and Mucopolysaccharides, Subject name: Biochemistry
Mucopolysaccharide hyaluronic acid is present in 
Select and explain. 
A. Vitreous humor, B. Cornea, C. Blood vessels, D. Lens
A: Vitreous humor
Answer: A: Vitreous humor 
Explanation: Ans. is 'a' i.e. Vitreous humar Distribution of various glycosaminoglycansHyaluronic acidSynovial fluid, vitreous humor, loose connective tissueChondroitin sulfatesCartilage, bone, corneaKeratan Sulfate ICorneaKeratan Sulfate IILoose connective tissueHeparinMast cellsHeparan SulfateSkin fibroblasts, aortic wallDermatan SulfateWide distribution