Oswald Avery found that DNA was necessary and sufficient for bacterial transformation. Which of the following experimental results support this statement (select all that apply)?
A. Removal of DNA from virulent Streptococcus pneumoniae cell extracts eliminated transformation.
B. Removal of RNA from virulent Streptococcus pneumoniae cell extracts eliminated transformation.
C. Protein alone will cause bacterial transformation to occur.
D. DNA alone will cause bacterial transformation to occur.
A, D
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