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Questions and Answers
Which region of the TCR chain is the most variable among different TCRs?
Which region of the TCR chain is the most variable among different TCRs?
- V region
- β chain
- CDR3 region (correct)
- C region
What is the composition of the TCR?
What is the composition of the TCR?
- One α chain and two β chains
- Two β chains
- Two α chains
- One α chain and one β chain (correct)
Which proteins are crucial for the initiation of signaling when the TCR recognizes antigen?
Which proteins are crucial for the initiation of signaling when the TCR recognizes antigen?
- MHC molecules and bound peptides
- CDR3 and ζ proteins
- V and C regions
- CD3 and ζ proteins (correct)
Which molecules recognize nonpolymorphic portions of MHC molecules and are required for T cell activation?
Which molecules recognize nonpolymorphic portions of MHC molecules and are required for T cell activation?
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Which type of receptor can bind many different types of chemical structures with high affinities?
Which type of receptor can bind many different types of chemical structures with high affinities?
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Which type of T cells express receptors composed of gamma (γ) and delta (δ) chains and have different specificities than αβ TCRs?
Which type of T cells express receptors composed of gamma (γ) and delta (δ) chains and have different specificities than αβ TCRs?
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Which subset of T cells express αβ TCRs with limited diversity and recognize lipid antigens displayed by nonpolymorphic class I MHC–like molecules called CD1?
Which subset of T cells express αβ TCRs with limited diversity and recognize lipid antigens displayed by nonpolymorphic class I MHC–like molecules called CD1?
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