Which of the following statements regarding major histocompatibility proteins (MHCs) is TRUE?

A. Class I MHCs are found on all cells of the body except erythrocytes.
B. Class II MHCs are normally found in the cell membranes of bacteria.
C. Cytotoxic T cells require class II MHCs to recognize foreign antigens.
D. All humans have identical sets of MHC proteins.
E. MHC proteins are the same thing as antibodies.


A

Anatomy & Physiology

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