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recombination the the segments of the receptor DNA that comprise the practical receptor gene of identified B cells
Within a identified B cell, the rearrangement the DNA sequences in between variable regions and also joining regions is completed by a(n)_____.
Clonal selection and differentiation the B cells activated by antigen exposure leads to the production of _____.
An immunoglobulin (Ig) molecule, of whatever class, with regions symbolized as C or V, H or L, has a irradiate chain made up of _____.
the ancient observation the someone who had actually recovered from the plague can safely treatment for those recently diseased.
Which that the complying with statements are basic to the clonal-selection theory of just how the adaptive immune device functions?I) each lymphocyte has a distinct membrane receptor that recognizes one antigen.II) once the lymphocyte binds an antigen, the is activated and begins splitting to type many identical duplicates of itself.III) cloned lymphocytes have slight differences and also are selected by the spleen because that removal if they execute not bind an antigen.IV) Cloned cell descend from an activated lymphocyte and persist also after the microorganism is eliminated.
A certain cell form has existed in the blood and tissue the its vertebrate host"s immune mechanism for over twenty years. One day, it recognizes a newly arrived antigen and also binds to it, subsequently triggering a an additional immune solution in the body. I beg your pardon of the complying with cell species most accurately explains this cell?
Which the the following statements about epitopes are correct?I) B-cell receptors tie to epitopes.II) T-cell receptors tie to epitopes.III) There can be 10 or an ext different epitopes on each antigen.IV) over there is a one-to-one correspondence in between antigen and also epitope.
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Tissues space immunogically "typed" prior to an organ transplant to make sure that the donor and recipient complement as carefully as possible in their _____.