Detectable serum antibody against a t-independent pathogen, Ask an Expert

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Detectable serum antibody against a T-independent pathogen is a good indication that

(A) a functional B-cell system exists.
(B) a functional T-cell system exists.
(C) both functional T-cell and B-cell systems must exist.
(D) a cellular immune response to the pathogen has been mounted.
(E) the patient has an immune deficiency.

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Category:- Biology
Reference No.:- M9682760

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