What
is the preparation of Bacillus Calmette-Guerin based on?()
A: virulence
variation
B: structure
variation
C: morphology
variation
D: colony
variation
E: drug
resistance variation
is the preparation of Bacillus Calmette-Guerin based on?()
A: virulence
variation
B: structure
variation
C: morphology
variation
D: colony
variation
E: drug
resistance variation
举一反三
- What<br/>is the preparation of Bacillus Calmette-Guerin based on?<br/>() A: virulence<br/>variation B: structure<br/>variation C: morphology<br/>variation D: colony<br/>variation E: drug<br/>resistance variation
- Which<br/>one of the following is the reason of pandemic<br/>flu<br/>() A: virus<br/>has strong virulence <br/>(B)HA<br/>of Influenza B: virus<br/>easily produce variation, and people lack of immunity <br/>(C)<br/>NA of Influenza C: virus<br/>easily produces variation, and people lack of immunity<br/>(D)<br/>Influenza D: virus<br/>develops new subtype virus, and people lack of immunity
- Which<br/>of following can cause the great variation of influenza virus and<br/>wide epidemic:() A: gene<br/>reassortment B: gene<br/>recombination C: transduction D: transformation E: conjunction
- Which<br/>of following can cause the great variation of influenza virus and<br/>wide epidemic: A: gene<br/>reassortment B: gene recombination C: transduction D: transformation E: conjunction
- Dialect refers to geographic variation, while sociolect refers to variation in terms of social group.