Griffith, a British microbiologist, used bacteria and mice to demonstrate the process of transformation. During transformation,
A. genetic material is transferred from one bacterial cell to another.
B. a bacterial chromosome produces an exact copy of itself.
C. the nucleus of a mouse cell repairs itself when damaged by bacterial infection.
D. a bacterial cell is transformed into a spore during unsuitable environmental conditions.
E. DNA from an infected mouse cell changes bacteria from a nonpathogenic to a pathogenic form.
Answer: A
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