The Process of attenuation can be achieved by all except___________________?
Correct answer: C. Serial passage in an experimental host
- 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
Explanation
Attenuation is commonly produced by adverse conditions, growth in an unusual host, or repeated culture on artificial media. Serial passage in an experimental host is not the usual method intended here, although passage in selected nonhuman systems can attenuate some organisms.
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