33. Pre-B cell receptor, there are several things taking place in the B cell at this point, what are they? What makes up the pre-B cell receptor? Example; allelic exclusion.

Pre B-cell is getting into checkpoint one, as it possesses a surrogate light chain that is adhered to its recombined heavy chain to make certain that the heavy chain is performing it's necessary duties. Cell is seen to be increasing in size as it undergo division into varying amount of small B-cells.

not sure if this is what you'r looking for nnew= nold