Answer:
C) They allow bacteria to adapt to conditions.
Explanation:
This is because plasmids, which are small, double-stranded, and circular, are in fact what we call extra-chromosomal DNA. A) is false because plasmids play no role in allowing bacteria to move. B) is false because plasmids are not what allow bacteria to attach to host cells. C) is true because this is indeed the role of plasmids, which can contain genes for antibiotic resistance. D) is false because while it is true that without DNA, the bacteria cannot reproduce, then grow, whether by binary fission, conjugation, or transformation, the plasmids are not necessary for this, as they are extra-chromosomal. The chromosomal ones are, instead.
