Describe how immunoglobulin expressed during a primary immune response differs qualitatively and quantitatively from the immunoglobulin expressed during a secondary immune response
What will be an ideal response?
Immunoglobulin produced during a primary immune response is mainly IgM, in low concentration (titer) and of low affinity for the antigen. Immunoglobulin expressed during a secondary immune response has undergone isotype switching and is often of the IgG isotype. It also has a higher titer and, through the process of somatic hypermutation, will have a higher affinity for its corresponding antigen.
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