Which one of the following structures is not found in a prokaryotic cell?
A
Plasma membrane
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B
Nuclear membrane
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C
Cell wall
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D
Ribosome
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Solution
The correct option is B Nuclear membrane Prokaryotic cells lack membrane-bound organelles and well-organized nucleus. The nuclear membrane is absent in a prokaryotic cell. The nuclear membrane is a double membrane layer which surrounds the nucleus. It is made up of lipids, that encases the genetic material.