A specific T-cell receptor will only recognize a peptide presented by a specific MHC molecule but will not recognize a different peptide presented by the same MHC molecule or the same peptide presented by a different MHC molecule. The T-cell recognition of antigen is said to be:

Which of the following is true about the pre-B cell receptor?

Imagine you are a doctor and you discover your infant patient has a missense mutation of the RAG proteins which leads to partial enzymatic activity of RAG enzymes which leads to symptoms that show as autoimmunity.  Based on what we have discussed in class, you conclude that:

What cells would be able to express an MHC presenting a peptide that is 13-25 amino acids in length?

_____ involves successive rearrangement at the light-chain loci when reactivity to self-antigen occurs during B-cell development.

During maturation of T and B cells, which of the following enzymes do you expect to see?

A peptide 8 to 10 amino acids in length coming from an intracellular pathogen will be bound and presented by:

From what we talked about in class, a child born with SCID is lacking which of the following?

What cells would be able to express an MHC presenting a peptide that is 13-25 amino acids in length?

Apart from centrocytes, what other cells would you expect to find in the light zone of the germinal centers?