Microbes from the domain archaea have cell walls containing peptidoglycan.
Question: Microbes from the domain archaea have cell walls containing peptidoglycan.
That is not correct. Microbes from the domain archaea do not have cell walls containing peptidoglycan, a polymer of sugars and amino acids that is found in most bacterial cell walls.
Instead, archaeal cell walls are composed of different molecules, such as S-layers, pseudopeptidoglycan, polysaccharides, glycoproteins, or proteins These molecules provide strength and protection to the archaeal cells, which often live in extreme environments.
Archaea are single-celled organisms that lack a nucleus and membrane-bound organelles. They are distinct from bacteria and eukaryotes in many aspects of their biochemistry, such as their cell membrane composition, their enzymes involved in transcription and translation, and their energy sources. Archaea are found in almost every habitat on Earth, and play important roles in various ecological processes.
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