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.

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explanation:

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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