antigen

| December 8, 2015

During the adaptive response, the MHC molecules are responsible for presenting an antigen to T cells. The two types of MHC (MHCI and MHCII) have specific roles during the response. Which of the following most accurately describes the characteristics of MHCII molecules in mounting the antibody response?

Select the best answer.
a. found on all nucleated cells, present endogenous antigens, activate cytotoxic T cells
b. found on APC, present exogenous antigens, activate cytotoxic T cells
c. found on APC, present endogenous antigens, activate T helper cells
d. found on APC, present exogenous antigens, activate T helper cells

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Category: Biology

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