What process occurs in helper T cell activation but not other forms of cell activation? a.) Cross-linkage of multiple BCRs b.) Presentation of protein epitopes with an MHC Class II molecule c.) Recognition of an antigen that is presented by an MHC Class I molecule d.) Secretion of cytokines by an antigen-presenting cell
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B cells interacting with helper T cells are stimulated to differentiate when ________. A. helper T cells release cytokines B. B cells produce IgE antibodies C. cytotoxic T cells present the class II MHC molecule-antigen complex on their surface D. helper T cells differentiate into cytotoxic T cells
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To what does the TCR of a helper T cell bind? a. antigens presented with MHC I molecules b. antigens presented with MHC II molecules c. free antigen in a soluble form d. haptens only
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