One of the most remarkable aspects of the human immune system is its diversity, that is, the ability to recognize a wide range of antigens and to mount a specific antibody response. This is called clonal selection. At the cellular level, which of the following are primarily responsible for such specificity?
Correct Answer: Hypervariable regions in domains of B cells
Description: The great heterogeneity in the B cell response is characterized by a wide variety of antigenic stimuli. The end result of this remarkable process is a set of very specific surface receptors on B lymphocytes. However, it is the hypervariable regions in the variable domain of these B cells that provide the amino acid residues that confer specificity by synthesis of surface immunoglobulin receptors. T cells, on the other hand, do not secrete immunoglobulins.
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Microbiology
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