Point mutations of the V regions of light- and heavy-chain genes occur at a dramatic rate, leading to the expression of variant B-cell receptors on B cells. Is this occurrence an advantage or a disadvantage for B cells' function, and why?

MCQs on the immune system, including innate and adaptive immunity, the cells involved in each of process of the immune system and their role in the immune response, and how antibodies are used to confer immunity for future potential exposures.