Which of the following structure is not present in all bacteria?
Correct answer: D. Capsule
- A. Cell membrane
- B. Chromatin
- C. Ribosome
- D. Capsule
Explanation
Based on the explanations provided, the correct answer to the question is option D) Capsule. The capsule is not present in all bacteria, unlike the cell membrane, ribosome, and bacterial DNA (nucleoid region), which are universal features of bacterial cells.
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About Kingdom Prokaryotae
Kingdom Prokaryotae includes bacteria and cyanobacteria, organisms with no membrane-bound nucleus or membrane-bound organelles. It covers their cell wall, capsule, flagella, plasmids, forms of nutrition, binary fission, useful and harmful roles, and the differences between prokaryotic cells and eukaryotic cells.
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