A researcher is trying to define a bacterial species. How can she accomplish this task?
A)She can identify bacteria with similar rRNA sequences.
B)She can identify bacteria with similar sequences for nitrogen-fixation genes.
C)She can evaluate the "interbreeding capacity" between different bacteria.
D)She can isolate populations of bacteria that have undergone periodic selection.
E)She can identify bacteria with similar rRNA sequences, or isolate populations of bacteria that have undergone periodic selection.

Question

Quizplus · Accepted Answer

Bacterial species can be defined by identifying bacteria with similar rRNA sequences or by isolating populations that have undergone periodic selection, as these methods help in distinguishing bacterial lineages.

A Researcher Is Trying to Define a Bacterial Species