Question
prokaryotic and eukaryotic cells.

Answer

Prokaryotic cellEukaryotic cell
1. It is a primitive type of cell.It is an evolved type of cell.
2. Nuclear membrane is absent.Nuclear membrane is present.
3. Genetic material is in the form of circular coil of DNA without histone proteins.Genetic material is in the form of a double helix DNA with histone proteins.
4. Membrane-bound cell organelles are absent.Membrane-bound cell organelles are present.
5. Plasmids are many in number.Plasmids are absent.
6. Cytoplasm does not show streaming movement.Cytoplasm shows streaming movement.
7. Ribosomes are smaller and of 70S type.Ribosomes are larger and of 80S type.
8. Respiratory enzymes are present on the infoldings of the plasma membrane called mesosomes.Respiratory enzymes are present within mitochondria.
e.g Cyanobacteria (Blue-green algae) and bacteria.Algae, fungi, plants and animals.

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