The latest stages of late pro-B-cell development are recognized by the association of a surrogate light chain with a \mu chain. The surrogate light chain is composed of _____________________. Question 12Select one: a. E2A and EFB b. Pax-5 and CD19 c. Ig\alpha and Ig\beta d. RAG-1 and RAG-2 e. VpreB and \lambda 5
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Which of the following is NOT part of the pre-B cell receptor (pre-BCR)? a) k light chain b) A5 c) IgM, IgD d) CD19
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