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25/10/2021 5:47 pm
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Which one of the following statements is correct with respect to immunity?
(1) Antibodies are protein molecules, each of which has four light chains.
(2) Preformed antibodies need to be injected to treat the bite by a viper snake.
(3) Rejection of a kidney graft is the function of B-lymphocytes.
(4) The antibodies against small pox pathogen are produced by T - lymphocytes.
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25/10/2021 5:48 pm
Correct answer: (2) Preformed antibodies need to be injected to treat the bite by a viper snake.