試題詳解

18.Which of the following statements about MHC molecules are correct? (Select all that apply.)
(A) MHC class I consists of two polypeptide chains of equal length (a and β).
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(B) MHC class I primarily presents endogenous (intracellular) antigens toto CD8⁺ T cells.
(C) MHC class I is abundantly expressed on the surface of red blood cells.
(D) MHC classs II binds antigens in the endoplasmic reticulum to form MHC antigen complexes.
(E) MHC class Il acquires antigenic peptides through vesicular transport and lysosomal degradation pathways.