Characteristic of prokaryotic cells?
Correct answer: D. All of these
- A. Absence of membrane bound cell organelles
- B. Absence of nucleus
- C. Presence of 70S ribosomes
- D. All of these
Explanation
Prokaryotes lack membrane-bound organelles such as mitochondria. They do not contain a nucleus as there is no membrane separating the nuclear contents from the cytoplasm so, the nucleus is absent in prokaryotes. Prokaryotes do contain ribosomes and they are smaller than those in eukaryotes. Prokaryotes contain 70s while eukaryotes contain 80s ribosomes. All of these are characteristics of prokaryotes.
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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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