Which of the following catalyzes the release of CLIP from MHC II?

From what you learned about SCID in class, which of the following statements does not directly correlate to the type of SCID we discussed?

Both α:β and γ:δ TCR’s are restricted to recognize antigens only when the antigen is bound by and presented by either MHC class I or MHC class II molecules.

From what you learned about SCID in class, which of the following statements does not directly correlate to the type of SCID we discussed?

Both α:β and γ:δ TCR’s are restricted to recognize antigens only when the antigen is bound by and presented by either MHC class I or MHC class II molecules.

Which chemokine/s direct/s a B cell out of the blood stream and into a secondary lymphoid tissue toward the T cell area?

Unproductive rearrangement of the BCR genes on both chromosomes leads to:

MHC restriction:

What is present during the first checkpoint in B-cell maturation?

How many hypervariable regions (HV’s) does the (a) alpha chain of a T-cell receptor have?