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
The host receptor for Entamoeba histolytica is: 
Select and explain. 
A. Glycophorin A, B. N-acetylglucosamine, C. Heparan sulfate, D. Asialo-GM1
B: N-acetylglucosamine
Answer: B: N-acetylglucosamine 
Explanation: N-acetylglucosamine is the host receptor for Entamoeba histolytica. Glycophorin A is the host receptor for Plasmodium falciparum, Heparan sulfate for Herpes simplex virus and Asialo-GM1 for Pseudomonas aeruginosa. Ref: Harrisons principles of internal medicine, 18th edition, Page: 1014.