A) They are always found in the nucleoid.
B) They can replicate autonomously.
C) They carry genes for essential metabolic functions.
D) They are small circular DNA molecules.
E) They are small circular DNA molecules that can replicate autonomously.

A) virulence plasmids
B) fertility plasmids
C) bacteriocin plasmids
D) resistance plasmids
E) cryptic plasmids

A) chromatin fibers
B) histones
C) heterochromatin
D) euchromatin
E) nuclear envelope