Nontoxic Strains of Vibrio Cholerae Can Become Toxic When They

Multiple Choice

Nontoxic strains of Vibrio cholerae can become toxic when they are in the human intestine with toxic strains of bacteria. This suggests that the toxin genes are acquired by

A) Prions.
B) Reverse transcriptase.
C) Host enzymes.
D) Transduction.
E) None of the above.