rutgers bio 116 final questions with correct answers

lymphocytes Answer types of white blood cells; function in innate and adaptive immunity; both types originate from stem cells located in bone marrow B cells Answer lymphocytes that remain in bone marrow in process of maturation T cells Answer lymphocytes that migrate to thymus antigen Answer any foreign substance that elicits a B or T cell response; most are proteins or large polysaccharides epitope Answer specific region that is exposed on the surface of antigen molecule; binds to antigen receptor; each B and T cell displays specificity for a specific epitope transmembrane region of receptor Answer near one end of heavy chain; anchors receptor in B cell's plasma membrane constant region Answer portions of light and heavy chains; amino acid sequences vary little among B cells variable region Answer found within tips of Y shape; each tip is binding site for antigen; each receptor has 2 identical antigen binding sites B cell classes Answer IgA, IgD, IgE, Ig