Question

how does an exogenous antigen gets internalised and recognised by t helper cells

Answer 1

Answer:

APCs usually internalise exogenous antigens by endocytosis, but also by pinocytosis, macroautophagy, endosomal microautophagy or chaperone-mediated autophagy. ... Peptide-MHC-II complexes (pMHC-II) are transported to the plasma membrane and the processed antigen is presented to the helper T cells in the lymph nodes.

Explanation:

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Answer 2

Answer:

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