This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Biochemistry
[{'content': 'Synol fluid contains- \nSelect and explain. \nA. Hyaluronic acid, B. Chondroitin sulphate, C. Keratan sulphate, D. Dermatan sulphate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hyaluronic acid Longest GAG. Present in synol fluid & vitreous humor. Does not contain any sulfate. Made up of N-Acetyl Glucosamine & D-Glucuronic acid. Forms clear, highly viscous, non-compressible solutions that serve as a lubricant Role in Cell Migration during Morphogenesis Role in Wound Healing. Provides tensile strength and elasticity.', 'role': 'assistant'}]