Cells are the basic structural and functional unit of life. The term cells was first coined in 1665 by a British scientist Robert Hooke. He was the first person to study living things under a microscope and examined a thin slice of cork under a microscope and observed honeycomb-like structures. Robert Hooke called these structures as cells.
Types of cells
There are basically two types of cells in an organism. The two types of cells are listed below
- Prokaryotic cells
- Eukaryotic cells
Difference between Prokaryotic cells and Eukaryotic cells are listed below
| Prokaryotic | Eukaryotic |
| Organisms are always unicellular | Organisms are always unicellular and multicellular |
| Nucleus is absent | Nucleus is present |
| Cell division takes place through binary fission | Cell division takes place through mitosis |
| DNA arrangement is circular | DNA arrangement is linear |
| Example: Bacteria, Blue-green algae | Example: Plant and animal cell |
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