Immunoglobulins,formed of five subunits,which are the first antibodies to be produced in response to infection are
A)IgA.
B)IgD.
C)IgE.
D)IgG.
E)IgM.

Question

Quizplus · Accepted Answer

IgM antibodies are the first antibodies to appear during an immune response to an infection. They are formed of five subunits, which are arranged in a pentamer structure, giving them a large size and good ability to activate complement proteins.

Immunoglobulins,formed of Five Subunits,which Are the First Antibodies to Be