Describe how immunoglobulin expressed during a primary response differs qualitatively (i.e., in affinity) and quantitatively (i.

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Rufina [12.5K]

2 years ago

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Describe how immunoglobulin expressed during a primary response differs qualitatively (i.e., in affinity) and quantitatively (i.

e., in number) from the immunoglobulin expressed during a secondary response. quizlet

Biology

1 answer:

Alex777 [14] · Answer 1 · 2023-12-09T07:36:27+03:00

During primary response: IgM is produced quickly, whereas IgG reaction is slightly delayed. IgG affinity rises during the entire response.

During secondary response: Small quantities of IgM and significantly greater amounts of IgG (with some IgA and IgE). IgG affinity rises during the entire response.

<h3>How does immunoglobulin express during primary and secondary responses differ?</h3>

The predominant immunoglobulin produced during a primary immunological response is IgM, which has a low concentration (titer) and low affinity for the antigen. Immunoglobulin expressed after a subsequent immunological response has undergone isotype switching and is frequently of the IgG isotype. It also has a larger titer and, as a result of somatic hypermutation, a higher affinity for the associated antigen.

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