Briefly describe how B cells are activated.

colleen

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Briefly describe how B cells are activated.

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Solved Briefly describe how B cells are activated.

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sci_expert

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13 years ago

Antigen binds to the B cell antigen receptors. The antigen is endocysted and degraded in the B cell. Peptides from the degraded antigen are then presented on the B cell's MHCII protein to a TH2 cell. The TH2 cell produces IL-4 and IL-5, providing the T cell help that activates the B cell. The activated B cell then differentiates into plasma cells that produce and secrete antibodies.

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