A substance that can elicit an immune response from a lymphocyte is called a(n)______.

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An antigen is a substance that can elicit an immune response from a lymphocyte, such as a B cell or T cell. Antigens can be foreign substances like pathogens or they can be substances within the body that the immune system recognizes as abnormal or dangerous. Interferons are proteins produced by cells in response to viral infections, but they do not directly elicit an immune response from lymphocytes. Pathogens are microorganisms that can cause disease, but not all pathogens elicit an immune response from lymphocytes. Antibodies are proteins produced by B cells in response to an antigen and are involved in the specific recognition and neutralization of pathogens.

A Substance That Can Elicit an Immune Response from a Lymphocyte