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Multiple Choice
In the context of prokaryotic cell architecture, organisms in which kingdom characteristically have peptidoglycan in their cell wall?
A
Bacteria (Eubacteria)
B
Fungi
C
Archaea
D
Plantae
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Verified step by step guidance
1
Understand that the question is asking about the presence of peptidoglycan in the cell walls of organisms within different kingdoms.
Recall that peptidoglycan is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane, providing structural support and shape to the cell.
Identify which kingdoms have cell walls and what their composition typically is: for example, fungi have chitin, plants have cellulose, and archaea have pseudopeptidoglycan or other unique polymers.
Recognize that peptidoglycan is a characteristic component of bacterial cell walls, specifically in the kingdom Bacteria (Eubacteria), distinguishing them from Archaea and other kingdoms.
Conclude that the kingdom Bacteria (Eubacteria) characteristically have peptidoglycan in their cell walls.