Match each of the following terms to the correct definition.
Select the correct match for each item from the drop-down box
| Protein or oligosaccharide markers on the surface of cells that identify the cell as self or non-self and are capable of producing an immune response in animals or cell cultures for the production of antibodies. |
| The area of an antigen where the short arms of the Y-shaped antibody are attached. |
| Any of the complex, Y-shaped proteins produced by B-lymphocytes in response to the presence of an antigen. |