Podcast
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?
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?
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?
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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