Which of the following statements about transformation is false?
A. All R-plasmids contain antibiotic-resistance genes.
B. Like transduction and conjugation, natural transformation is an "accident" of plasmid biology.
C. Natural transformation of the Enterobacteriaceae is a significant public health risk.
D. Artificial transformation is essential to many recombinant DNA techniques.
E. The bacterium E. coli is incapable of natural transformation.
Answer: B
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