First immunoglobulin to appear following infection -
IgM is a heavy molecule. - IgM molecules are polymers of five four-peptide subunits. IgM is relatively sho-lived - hence their demonstration in serum indicates recent infection. ReReference:nathanarayan & paniker's 9th edition, pg no: 98 <\p>
IgG
IgM
IgA
IgE
Immunology