BMB 401- Final Exam Guide - Comprehensive Notes for the exam ( 42 pages long!)

A plasmid is a short stretch of circularized DNA that ____. (select ALL correct answers)

A) can contain a gene responsible for antibiotic resistance *

B) can become an entirely new and identical daughter cell

C) is used to lubricate the motion of the cell

D) protects the bacterium from attack

E) can be transmitted from one bacterium to another during conjugation *

* I know that A and E are correct, but there is a third answer that I can't seem to figure out would be correct. My textbook and lecture notes don't really cover this topic in-depth.