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Get Answers to all your Questions
- #Medical
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- #Cell Structure and Function
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Which of the following structures is not found in a prokaryotic cell?
Option: 1
Ribosome
Option: 2
Mesosome
Option: 3
Plasma membrane
Option: 4
Nucleoplasm
Answers (1)
Structure of Prokaryotic Cell -
Structure of Prokaryotic Cell
- The prokaryotic cells lack a membrane-bound and defined nucleus. Their genetic material is localised in the cytoplasm as the nucleoid.
- The cells are surrounded by the cell envelope that is made up of glycocalyx, cell wall and plasma membrane.
- The cytoplasm of the prokaryotic cells contains 70S ribosomes, nucleoid, plasmids, inclusion bodies etc.
- Motile prokaryotic cells have cell appendages in the form of flagella.
- Apart from the flagella, these cells can have fimbriae to provide attachment to the surface and conjugation pili to facilitate the exchange of genetic material.
- There is no cellular compartmentalization in the form of cell organelles.
-
Nucleoplasm is a jelly-like fluid present within the nuclear membranes in the nucleus. Since, prokaryotic cells do not have a nucleus, nucleoplasm is not present in them.
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