Plasmids often carry genes controlling pathogenicity, meaning they can contribute to a bacterium's ability to cause disease. The other options are incorrect. Plasmids are not found in all bacteria, not essential for survival, can be passed between organisms (including potentially harmful bacteria), and can be passed on to progeny.

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Plasmids

Question 59

Multiple Choice

Plasmids

A) are found in all bacteria.
B) are essential for survival.
C) cannot be passed between organisms.
D) cannot be passed on to progeny.
E) often carry genes controlling pathogenicity.

Correct Answer: