A) E. coli
B) Diplococcus pneumonia
C) Salmonella
D) Pasteurella pestis
Correct Answer: B
Solution :
Griffith (1928) discovered the phenomenon of transformation while working on Diplococcus pneumoniae for developing a vaccine against it. In transformation the naked DNA is taken up by a competent bacterial cell from their surrounding medium.You need to login to perform this action.
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