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Q. Identify the antibody on the basis of following information -
I. Exist as monomer II. Highest in concentration in blood.

NTA AbhyasNTA Abhyas 2020Human Health and Disease

Solution:

There are five different types of antibodies which are secreted by plasma cells in our body. Their concentration are:
IgG (monomer) $=65-75\%$ ,
IgA (dimer) $= \, 10\%,$
IgM (pentamer) $= \, 5-10\%,$
IgD (monomer) $= \, 2-3\%$ ,
IgE (monomer) = less than 1%