A monoclonal antibody differs from a polyclonal antibody in that monoclonal antibodies:
A.
are labeled with chemicals that can be visualized.
B.
are produced by cells from the same organism that produced the antigen.
C.
are synthesized by a population of identical, or “cloned,” cells.
D.
are synthesized only in living organisms.
E.
have only a single polypeptide chain that can recognize an antigen.