Multiple Choice
Which MHC class presents intracellular pathogens?
21. The Immune System
MHC and Antigen Presentation
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In the context of MHC and antigen presentation, where are MHC molecules primarily located on a cell?
A
Exclusively within the nucleus where they regulate transcription of immune genes
B
Free-floating in the cytosol where they bind peptides before secretion
C
Stored only in lysosomes and never displayed at the cell surface
D
Embedded in the plasma membrane with their peptide-binding domains exposed on the extracellular surface
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