What Did the Experiment by Fred Griffith in 1928 with the R

question 27

Multiple Choice

What did the experiment by Fred Griffith in 1928 with the R and S strains of Streptococcus pneumoniae demonstrate?

• A)DNA was the genetic material in cells.
• B)R strain phenotype could spontaneously revert to S strain phenotype.
• C)Genetic material from one strain could be transferred to another strain.
• D)The ability of these bacteria to kill mice.
• E)That some strains of Streptococcus were not pathogenic.

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