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 of the following helps in wound healing? 
Select and explain. 
A. Keratan sulfate, B. Dermatan sulfate, C. Hyaluronic acid, D. Chondroitin sulfate
C: Hyaluronic acid
Answer: C: Hyaluronic acid 
Explanation: option c - Hyaluronic acid helps in wound healing Hyaluronic Acid Longest GAG Present in Extracellular Matrix (ECM) Present in both bacteria and animals No Sulfate Role in Cell Migration during Morphogenesis Role in Wound Healing