The Process of attenuation can be achieved by all except___________________?
(A) Growing bacteria in adverse environment
(B) Growing bacteria in unconventional host
(C) Serial passage in an experimental host
(D) Repeated cultures in artificial media
The Process of attenuation can be achieved by all except___________________?
(A) Growing bacteria in adverse environment
(B) Growing bacteria in unconventional host
(C) Serial passage in an experimental host
(D) Repeated cultures in artificial media
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