The main reason why antibodies could not solve all
the problems of bacteria mediated disease is
(a) decreased efficiency of the immune system
(b) insensitivity of the individual following
prolonged exposure to antibiotics
(c) development of mutant strains resistant to
antibodies
(d) inactivation of antibiotics by bacterial enzymes.

1 Answer

Answer :

(c) development of mutant strains resistant to
antibodies

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