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Question

How many of the following features are associated with the prokaryotic cell?

Gas vacuole, single-membrane system, cytoskeleton, non cellulosic wall, microfilaments, cytoplasmic streaming, lack cell organelles.


A
1
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B
4
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C
2
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D
3
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Solution

Prokaryotic cells have a cell wall surrounding the cell membrane. The fluid matrix filling the cell is the cytoplasm. There is no well-defined nucleus. The genetic material is basically naked in the cytoplasm, not enveloped by a nuclear membrane. The nuclear membrane is found in eukaryotes. The prokaryotic cells lack mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, microtubules, microfilaments, and centrioles.

In prokaryotes, cytoplasm does not show cyclosis or streaming movements.

Gas vacuoles found in prokaryotes are air-filled and are like cylindrical compartments.

While most prokaryotes only have one cell membrane, gram-negative bacteria have two cell membranes.

The major component of the bacterial cell wall is peptidoglycan or murein.

The prokaryotic cytoskeleton is the collective name for all structural filaments in prokaryotes

So, the correct option is A.4

Gas vacuole, single-membrane system, cytoskeleton, non cellulosic wall


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