Which Characteristic Makes Plasmids Useful as a Vector

Multiple Choice

Which characteristic makes plasmids useful as a vector?

A) Many plasmids contain genes that convey antibiotic resistance.
B) Unlike viruses,plasmids do not need to be coaxed by artificial means to infect cells.
C) Plasmids can accommodate a large amount (over 100 kb) of DNA.
D) Plasmids use the same origin of replication as eukaryotic cells.
E) A cell can only host one plasmid at a time.