During T-cell activation, this molecule acts as a coreceptor on the T cell and binds to a site on the MHC II molecule that has presented antigen to the T-cell receptor. O CD 12 O MHC III O CD4 O CD8 O MHCI
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Step 1: CD4 is a coreceptor on T helper cells that binds to MHC II molecules. Show more…
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