This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Antigen combining site of the antibody - 
Select and explain. 
A. Idiotype, B. Paratope, C. Epitope, D. Hapten
B: Paratope
Answer: B: Paratope 
Explanation: A paratope, also called an antigen-binding site, is a pa of an antibody which recognizes and binds to an antigen. Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg:88