Which domain consists of prokaryotic cells?

Answer 1

All prokaryotic cells are divided into two domains: bacteria and archaea.

They are divided into 2 domains, because bacteria and archaea are very different:

• Archaea aren't susceptible to antibiotics, and bacteria are.
• Archaea have introns, or non-coding parts of genes that regulate gene expression, in some genes, while bacteria lack introns altogether.
• Archaean and bacterial cell walls are different because bacteria use peptidoglycan, a polymer of sugars linked with polypeptides, in their cell walls, while Archaea do not have true peptidoglycan. T
• The organisms in domain Bacteria have unbranched carbon chains in the phospholipid bilayer, but the organisms of domain Archaea can have branched chains.

Answer 2

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