Which of the following statements regarding a bacterium that is R⁺ is FALSE?
A)It possesses a plasmid.
B)R⁺ can be transferred to a cell of the same species.
C)It is resistant to certain drugs and heavy metals.
D)It is F⁺.
E)R⁺ can be transferred to a different species.

Question

Quizplus · Accepted Answer

The fact that a bacterium is R⁺ says nothing about whether it is F⁺ or not. F⁺ refers to the presence of a fertility plasmid, which is distinct from the R plasmid that confers antibiotic and heavy metal resistance.

Which of the Following Statements Regarding a Bacterium That Is