What is the wall strenghtening material in the prokaryotic cell wall?
Correct answer: D. Peptidoglycan
- A. Cellulose
- B. Silica
- C. Chitin
- D. Peptidoglycan
Explanation
Bacterial cell wall is composed of peptidoglycan also called murein, which is made from polysaccharide chains cross-linked by short peptides. Bacterial cell walls are different from the cell walls of plants and fungi which are made of cellulose and chitin, respectively.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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