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: Dental
Sutcular fluid does not perform one of the following
functions: 
Select and explain. 
A. Contains plasma proteins which may improve adhesion, B. Possesses antimicrobial properties, C. Exerts antibody activity, D. Provides nutrition to junctional epithelium via diffusion
D: Provides nutrition to junctional epithelium via diffusion
Answer: D: Provides nutrition to junctional epithelium via diffusion 
Explanation: None