Asubstance that can elicit an immune response from a lymphocyte is called a(n)

Lymphocyte is one of body immune cells that works by fighting bacteria. To distinguish foreign material to body material, lymphocyte can detect a series of protein called antigen. Most antigen is represented by macrophages. In response to the antigen, lymphocyte might produce an antibody which will bind to the antigen.

Antigen

The answer is observations and interpreting.