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How do archaebacteria differ from other bacteria in terms of their structural features?

1. Archaebacteria have a unique cell wall structure that sets them apart from other bacteria.
2. Their cell walls do not contain peptidoglycan.
3. Their cell membranes consist of a monolayer of branched fatty acids linked to glycerol via ether bonds.
4. All of the mentioned characteristics are true for archaebacteria.

Correct answer: All of the mentioned characteristics are true for archaebacteria.

Solution

Archaebacteria are unique among prokaryotes due to their distinct cell wall composition (lacking peptidoglycan) and their cell membrane structure, which includes ether-linked branched fatty acids. All the statements provided are correct.

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