While examining a hot spring, you find something you havenʹt seen before. It has a cell membrane, but the cell wall lacks peptidoglycan. It contains both DNA and RNA. The DNA is circular. It would be classified as a(n)
A) archaea.
B) bacterium.
C) prion.
D) virus.
E) fungus.

Question

Quizplus · Accepted Answer

The organism described is classified as archaea because, like bacteria, archaea are prokaryotes that have a cell membrane and contain both DNA and RNA. However, unlike bacteria, the cell wall of archaea lacks peptidoglycan, and they often have circular DNA, distinguishing them from bacteria, prions, viruses, and fungi.

While Examining a Hot Spring, You Find Something You Havenʹt