Centrocytes under the influence of ________ will differentiate into ________ at the height of the adaptive immune response. While under the influence of _____ they will differentiate into _______  as the infection subsides.

Athymic individuals can activate B-cells against TI antigens.

B-cells activated by interactions with cognate helper T cells in the T-cell areas of a lymph node can:

Which of the following is/are occurring in the germinal centers?

Why is there a lag of about a week in the production of Ab’s (other than just IgM’s) after infection?

Why is there a lag of about a week in the production of Ab’s (other than just IgM’s) after infection?

For which process do proliferating centroblasts use the DNA- modifying enzyme activation-induced cytidine deaminase (AID)?

Dimeric IgA is held together by a ____ and bound by the ____ with subsequent transcytosis across a barrier membrane.

In what manner can intestinal epithelial cells detect the presence of bacteria?

In what manner can intestinal epithelial cells detect the presence of bacteria?