MCAT Question of the Day
    •

    Q:

    		 Positive selection in the immune system results in:
    		 

    A

    		 apoptosis of T-cells which recognize self.

    B

    		 proliferation of T-cells in the periphery.

    C

    		 increase of the immune function of T-cells when they leave the thymus.

    D

    		 choosing only T-cells capable of recognizing MHC.



    Immune System |
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