Prokaryotic cells:
Eukaryotic Cells:
Differences between prokaryotic cells and eukaryotic cells:
Prokaryotic cell | Eukaryotic cell |
Size of a prokaryotic cell is generally small ( 1 - 10 mm ). | Size of a eukaryotic cell is generally large ( 5 -100 mm ) |
Cell wall is usually present and is chemicall complex in nature. | Cell wall when present is chemically simple in nature. |
Nucleus is absent i.e. Nuclear region or nucleoid is not surrounded by a nuclear membrane | Nucleus is present i.e. Nuclear material is surrounded by a nuclear membrane. |
These cells consist of ribosomes which are smaller in size and circular in shape when compared to the cells of eukaryotes. | The ribosomes of eukaryotes are larger in size and are linear in shape. |
DNA arrangement is circular in shape. | DNA arrangement is linear in shape. |
Mitochondria are absent. | Mitochondria are present. |
The cytoplasm in prokaryotes does not contain the endoplasmic reticulum. | In this, the cytoplasm has the endoplasmic reticulum |
Plasmids are present in prokaryotes. | Plasmids are very rarely found in eukaryotes. |
These have small ribosomes. | These have large ribosomes. |
In this, the lysosome, mesosome, and centrosome are absent. | Mesosome, Lysosomes, and centrosomes are usually present in Eukaryotes. |
The flagella is smaller in size in prokaryotes | The flagella is larger in size in case of eukaryotes |
It contains single chromosome. | It contains more than one chromosome. |
Nucleolus is absent. | Nucleolus is present. |
Membrane bound cell organelles are absent. | Membrane bound cell organelles such as mitochondria, plastids, endoplasmic reticulum, Golgi appreatus, lysosomes, peroxisomes,etc, are present. |
Cell division occurs by fission or budding (no mitosis). | Cell division occurs by mitotic or meiotic cell division. |
Reproduction takes place asexually. | Reproduction takes place both asexually and sexually. |
Ex. Bacteria and Archaea | Ex. Plant and animal cell |
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