If you could analyze, at the molecular level, a plasma cell making IgE antibody, you would find which of the following:______.
A. A DNA sequence for V,D, J genes translocated near the Ce DNA exon
B. mRNA specific for either kappa or lambda light chains
C. DNA specific for both kappa and lambda light chains
D. mRNA specific for m chains
E. A DNA sequence coding for the T-cell receptor for antigen