What is the name of the unique area (specific region) that a lymphocyte recognizes and binds to?

a. antigen

b. pathogen

c. antibody

d. an antigenic determinant

a. antigen

Explanation:

The Immune system is composed of immune cells that defend the body against foreign substances such as bacteria or virus. Lymphocytes (B and T cells) are one of the main immune cells

Lymphocytes have the ability to recognize and bind to antigens, wich are substances foreign to the body (i. e bacterial or virus elements) that evokes an immune response.