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: Unknown
PAS positive are all the following except - 
Select and explain. 
A. Glycogen, B. Lipids, C. Fungal cell wall, D. Basement membrane of bacteria
D: Basement membrane of bacteria
Answer: D: Basement membrane of bacteria 
Explanation: Ans-DThe basement membrane of bacteria