Multiple Choice
Which type of major histocompatibility complex (MHC) molecule is found on all nucleated cells?
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21. The Immune System
Major Histocompatibility Complex Molecules
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Class II MHC molecules are found on which of the following cell types?
A
Neurons
B
Red blood cells
C
Muscle cells
D
B cells
Verified step by step guidance1
Understand the role of Class II MHC molecules: These molecules are crucial for the immune system, specifically in presenting antigens to helper T cells.
Identify the types of cells that express Class II MHC molecules: These are typically antigen-presenting cells (APCs), which include dendritic cells, macrophages, and B cells.
Recognize that neurons, red blood cells, and muscle cells are not involved in antigen presentation and do not express Class II MHC molecules.
Focus on B cells: B cells are a type of lymphocyte that play a key role in the adaptive immune response and are known to express Class II MHC molecules.
Conclude that among the given options, B cells are the correct cell type that express Class II MHC molecules.
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