A researcher discovers a new unicellular organism that contains a single circular chromosome and no membrane-bound organelles. Upon closer observation, the researcher notices that this organism can also fix nitrogen and produce methane. How should this organism be classified?
A)as a bacterium
B)as an archaeon
C)as a eukaryote

Question

Quizplus · Accepted Answer

The presence of a single circular chromosome and lack of membrane-bound organelles are characteristic of both bacteria and archaea. However, the ability to fix nitrogen and produce methane are traits commonly found in archaea. Therefore, this organism should be classified as an archaeon.

A Researcher Discovers a New Unicellular Organism That Contains a Single