Which of the following represent double negative 1 (DN1)
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RAG-1 and RAG-2 briefly turned off during which satge of B c…
RAG-1 and RAG-2 briefly turned off during which satge of B cell development?
The pre-B-cell receptor provides an important signal that in…
The pre-B-cell receptor provides an important signal that induces transition of pro-B cells to pre-B cells. An important characteristic of this receptor is that:
V-DJ rearrangement occurs at which stage of B cell developme…
V-DJ rearrangement occurs at which stage of B cell development?
The pre-B cell receptor consists of:
The pre-B cell receptor consists of:
Which of the following is NOT a cell that is produced from a…
Which of the following is NOT a cell that is produced from a common lymphoid progenitor?
This cytokine-transforming growth factor(TGF)
This cytokine-transforming growth factor(TGF)
Death by neglect refers to which of the following?
Death by neglect refers to which of the following?
An IL-2R (recpetor) that has a high affinity for IL-2 is
An IL-2R (recpetor) that has a high affinity for IL-2 is
A disaster is best defined as:
A disaster is best defined as: