Multiple Choice
Naive B cells are recognized by their expression of
A) no immunoglobulins on the cell surface because somatic recombination has not yet commenced
B) both membrane-bound and secreted forms of immunoglobulin
C) both IgM and IgD on the cell surface
D) V(D) J recombinase
E) uracil-DNA-glycosylase (UNG) .
Correct Answer:

Verified
Correct Answer:
Verified
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