Cell wass of Archaeobacteria does not contain_____________________?
Correct answer: A. Peptidoglycan
- A. Peptidoglycan
- B. Proteins
- C. Glycoproteins
- D. Polysaccharides
Explanation
Archaeobacterial cell walls lack peptidoglycan, the characteristic polymer of ordinary bacterial cell walls; they may instead contain proteins, glycoproteins or other polysaccharides. Students may choose proteins or glycoproteins because archaeal walls can contain these materials, but those are not universally absent.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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