This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Dental Plaque adheres to tooth surface by 
Select and explain. 
A. Dextran, B. Epithelial cells, C. Bacteria, D. Sucrose
A: Dextran
Answer: A: Dextran 
Explanation: None