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प्रश्न
What are the characteristics of prokaryotic cells?
संक्षेप में उत्तर
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उत्तर
The characteristics of prokaryotic cells are as follows:
- In essence, a prokaryotic cell has only one envelope.
- Organelles embedded in membranes are absent in prokaryotes.
- Bacteria possess 70S ribosomes. In the cytoplasm, bare DNA is coiled.
- It is not shielded by the nuclear membrane and is referred to as a nucleoid.
- There are no nuclear constituents such as the nucleoplasm, nucleolus, or nuclear envelope.
- Mycoplasma lack cell walls, whereas bacteria and cyanobacteria do.
- Multiplies by asexual reproduction.
- The cytoplasm is where translation and transcription happen.
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संबंधित प्रश्न
In prokaryotic cell, outermost layer of cell envelope is called
Which of the following structures is not found in a prokaryotic cell?
Differentiate between Rough Endoplasmic Reticulum (RER) and Smooth Endoplasmic Reticulum (SER).
Eukaryotic cells have organelles which may
- not be bound by a membrane
- bound by a single membrane
- bound by a double membrane
Group the various sub-cellular organelles into these three categories.
Write the function of the following:
Smooth ER
Write the function of the following:
Golgi Apparatus
Write the function of the following:
Centrioles
