Which One of the Following Statements About Primary and Secondary

question 11

Multiple Choice

Which one of the following statements about primary and secondary antibody responses is NOT true?

• A) Antibodies in primary responses generally have lower affinity for antigen than those produced in secondary responses.
• B) Secondary responses reach peak levels more quickly than primary responses.
• C) Primary responses require higher concentrations of antigen for initiation than secondary responses.
• D) Primary responses occur to all types of antigens, but secondary responses mostly occur only to protein antigens.
• E) Primary responses are characterized by IgG antibodies, whereas secondary responses are dominated by IgM antibodies.

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