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Which of the following molecules would you only expect to see expressed on the surface of activated T-cells committed to MALT?

Males with a deficiency in the CD40 ligand:

Dimeric IgA is constantly secreted into the gut lumen to keep commensal organisms in check in our gut.

Which of the following is/are roles of antibodies?

Activated B cells migrating directly from a primary focus to the medullary cords in a lymph node after activation with a T-dependent antigen differentiate into plasma cells that secrete predominantly _____.

Activated B cells migrating directly from a primary focus to the medullary cords in a lymph node after activation with a T-dependent antigen differentiate into plasma cells that secrete predominantly _____.

The B-cell co-receptor typically binds to the complement degradation product iC3.

Which of the following is made and secreted into the lumen of the gut to keep commensal bacteria in check?

What is the name of the receptor that recognizes the IgG Fc region for transport across tissues?

The B-cell co-receptor typically binds to the complement degradation product iC3.