The epitope, also known as the antigenic determinant, is the specific part of an antigen that is recognized and bound by an antibody. Each antibody is specific to a particular epitope.
Match List I with List - II.
| List - I | List - II |
|---|---|
| A. Macrophages | I. Secrete cytokines (interleukins) |
| B. B-lymphocytes (B-cells) | II. Gaseous-exchange |
| C. Helper T-cells | III. Ingest large particles and cells by phagocytosis |
| D. Reticulocytes | IV. Produce and secrete antibodies |
Choose the correct answer from the options given below: