A Plasma Cell Produces IgM Molecules That Recognize an Antigenic

question 50

Multiple Choice

A plasma cell produces IgM molecules that recognize an antigenic determinant on an influenza virus. After several days, the cell begins to produce IgG molecules that recognize the same antigenic determinant. This process is called

• A) activation.
• B) RNA splicing.
• C) gene mutation.
• D) class switching.
• E) autoimmunity.

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