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when an exogenous antigen is displayed with MHII on a B surface, binding of a Th...

when an exogenous antigen is displayed with MHII on a B surface, binding of a Th (CD4+;helper T) cell will cause what to happen?

a) activation of the B cell
b) activation of both B cell and the helper T cell

MCH II** ^
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Answer:

b) activation of both B cell and the helper T cell

Explanation: B cell act as Antigen presenting cell. When B cell presents the antigen to the Helper T cell, Activation of Helper T cell occurs which is followed by the differentiation fo the T cell into Cytotoxic T cells, Memory T cells, Suppressor T cells, as well as activation and differentiation of B cells into Plasma B cells and memory B cells,

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