Multiple Choice
Which two main domains contain prokaryotes?
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26. Prokaryotes
Introduction to Prokaryotes
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In what way are archaea most similar to bacteria?
A
Both have peptidoglycan in their cell walls.
B
Both have a nucleus.
C
Both are capable of photosynthesis.
D
Both lack membrane-bound organelles.
Verified step by step guidance1
Begin by understanding the basic characteristics of archaea and bacteria. Both are classified as prokaryotes, which means they do not have a nucleus or other membrane-bound organelles.
Consider the structure of their cell walls. Bacteria typically have peptidoglycan in their cell walls, whereas archaea have different compounds such as pseudopeptidoglycan or other polymers.
Evaluate the capability for photosynthesis. While some bacteria can perform photosynthesis, archaea generally do not. This is not a common feature between the two groups.
Focus on the presence of membrane-bound organelles. Both archaea and bacteria lack these structures, which is a defining characteristic of prokaryotic cells.
Conclude that the most significant similarity between archaea and bacteria is their lack of membrane-bound organelles, which differentiates them from eukaryotic cells.
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