The function of somatic hypermutation is best described by which of the following statements?
A. increasing junctional diversity in IgH and IgL V regions
B. increasing the affinity of immunoglobulins for their antigen
C. irreversibly changing the isotype of immunoglobulin
D. promoting alternative splicing of an immunoglobulin heavy chain transcript to produce different isotypes on the B-cell surface
E. all of the above
Select your answer:
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The Brain › ViewThe average brain is made up of 80% water.
A. TRUE
B. FALSE
Immunity › View
Anitigens on pathogens which have got into the human body can lead to the development of specific immunity.
That is an immunity which responds only to this antigen.
Which of the following cells causes the specific immunity?
A. Erythrocytes
B. Macrophages
C. Lymphocytes
D. Phagocytes