You have discovered a new coccoid-shaped microorganism with no nucleus, a rigid cell wall, and a diameter of 2 m. Chemical tests reveal that its cell wall does NOT contain peptidoglycan. The new microorganism is
A. most likely a bacterium.
B. most likely a eukaryote.
C. most likely an archaeon.
D. either a bacterium or an archaeon.
Answer:C
You have discovered a new coccoid-shaped microorganism with no nucleus, a rigid cell wall, and a diameter of 2 m. Chemical tests reveal that its cell wall does NOT contain peptidoglycan. The new microorganism is
A. most likely a bacterium. B. most likely a eukaryote. C. most likely an archaeon. D. either a bacterium or an archaeon.