What is a major histocompatibility complex?

Q: What is a major histocompatibility complex?


A: It is a molecule on the outside of immune cells such as white blood cells.

Q: How is the MHC molecule coded?


A: It is coded for by a large gene family in all vertebrates.

Q: What is the function of MHC molecules?


A: The function of MHC molecules is to sense foreign antigens, and bind peptide fragments from pathogens onto their cell surface.

Q: What happens once the peptide fragments are recognized by T-cells?


A: Adaptive immunity depends on this reaction.

Q: What is the importance of the MHC molecule in adaptive immunity?


A: MHC molecules play a crucial role in adaptive immunity by allowing T-cells to recognize foreign antigens.

Q: What do MHC molecules bind onto their cell surface?


A: MHC molecules bind peptide fragments from pathogens onto their cell surface.

Q: In which organisms are MHC molecules found?


A: MHC molecules are found in all vertebrates.

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