Entity: NUCLEUS
A nucleus is a membrane-bound organelle found in eukaryotic cells that contains the cell's genetic material in the form of DNA. It plays a crucial role in controlling the cell's metabolism, growth, and reproduction.
NUCLEUS
Etymology
The term 'nucleus' originates from Latin, meaning 'kernel' or 'core'. It was first used in reference to the head of a comet and the kernel of a seed.
Definition
A nucleus is a membrane-bound organelle found in eukaryotic cells that contains the cell's genetic material in the form of DNA. It plays a crucial role in controlling the cell's metabolism, growth, and reproduction.
Historical Context
The concept of the nucleus was first introduced by British scientist Michael Faraday in 1844 in the field of atomic physics.
Cultural Significance
The nucleus is a fundamental component of cell biology and is essential for various cellular functions such as reproduction and protein synthesis.
Related Concepts
- Prokaryotic cells
- Chromosomes
- Nucleoplasm
See Also
- Organelle
- DNA
- Eukaryotic cells
An essential organelle in eukaryotic cells that houses the cell's genetic material and regulates cellular functions.