The Following Questions Refer to the Figure Above and to the Fred

question 18

Multiple Choice

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae.
-Extracts of pathogenic bacteria can transform harmless bacteria to harmful bacteria unless ____ enzymes are added to the extract.

• A) protein-digesting
• B) mRNA-digesting
• C) tRNA-digesting
• D) DNA-digesting
• E) any of these

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