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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Definitions:

Arabidopsis

A model organism in plant genetics and molecular biology, known scientifically as Arabidopsis thaliana, used for studying the mechanisms of genetics, development, and physiology.

Primary Root

The initial root that develops from a germinating seed, giving rise to the root system of a plant.

Hemicellulose

A polysaccharide found in plant cell walls alongside cellulose, providing structural support.

Cellulose

A complex carbohydrate composed of glucose units that form the main constituent of the cell wall in most plants, providing structural support.