MHC I Proteins are Found

Question

MHC I proteins are found
A) on B cells only.
B) on macrophages only.
C) on dendritic cells only.
D) on all nucleated cells.

Accepted Answer

MHC I proteins are found on all nucleated cells. This includes cells such as epithelial cells, muscle cells, and other cell types. They play a vital role in presenting antigens to cytotoxic T cells for immune recognition and response.