Describe how an extracellular antigen is presented to a B cell and a CD4+ T cell in order to initiate an immune response. Students will individually examine the components of specific immunity and demonstrate an understanding of how antibody and cell mediated T cell responses are generated to fight infections.

 Assignment submission should be 2 to 3 pages in length, with 1.5 line spacing, font size 12 and should be APA formatted.