Which immunoglobulin isotype CANNOT be produced by memory B cells?
A. IgM
B. IgG1
C. IgA2
D. IgE
E. All of the above can be produced by memory B cells.
Answer: A
Which immunoglobulin isotype CANNOT be produced by memory B cells?
A. IgM
B. IgG1
C. IgA2
D. IgE
E. All of the above can be produced by memory B cells.
Answer: A