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A Level Biology Edexcel: Topic 5 - 8
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Question:
T helper activation
Author: seremi amuneAnswer:
The bacteria is engulfed by a macrophage the macrophage displays antigens on its MHC the macrophage acts as an APC T helper cell binds to the macrophage APC by CD4 receptor this activates the T-helper cell to divide by mitosis to form T memory cells and active T helper cells
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seremi amune