This scientist(s) found a “transforming factor” that changed harmless bacteria into harmful bacteria
A. Mendel
B. Avery
C. Chargraff
D. Griffith
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Avery added an enzyme known to break down and destroy RNA to his heat killed S-strain bacteria, and saw that the R-strain bacteria were ____________________
A. still transformed, and killed the mice.
B. no longer transformed, and the mice lived
C. partially transformed, and the mice got sick but survived.
D. still transformed, but no longer killed the mice
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