Scelta multipla
Which markers are found on all nucleated cells?
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21. The Immune System
Major Histocompatibility Complex Molecules
Scelta multipla
Class II MHC proteins are found on which of the following cell types?
A
Red blood cells
B
Muscle cells
C
Neurons
D
B cells
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Understand that MHC (Major Histocompatibility Complex) proteins are molecules displayed on cell surfaces that help the immune system recognize foreign substances.
Differentiate between Class I and Class II MHC proteins: Class I MHC proteins are found on almost all nucleated cells, while Class II MHC proteins are primarily found on certain immune cells.
Identify the specific immune cells that express Class II MHC proteins. These include antigen-presenting cells such as B cells, dendritic cells, and macrophages.
Recognize that red blood cells, muscle cells, and neurons do not typically express Class II MHC proteins because they are not involved in antigen presentation to helper T cells.
Conclude that B cells, as part of the immune system's antigen-presenting cells, are the correct cell type that expresses Class II MHC proteins.
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