This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
PAS stains the following except 
Select and explain. 
A. Glycogen, B. Lipids, C. Fungal cell wall, D. Basement membrane of bacteria
B: Lipids
Answer: B: Lipids 
Explanation: Ref. Bancroft histopathology 5/e p204 PAS ( perodic acid Schiff) stain is versatile and has been used to stain many structures ,basement membrane ,glomeruli blood vessels and glycogen in the liver