Cell nucleus

Cell Nucleus

The Cell Nucleus (pronounced: /sɛl 'njuː.kli.əs/) is a membrane-bound organelle found in most eukaryotic cells. The word "nucleus" is derived from the Latin term 'nux', meaning 'nut' or 'kernel'.

Function

The primary function of the cell nucleus is to control cell growth and reproduction. It is the command center of a eukaryotic cell and is commonly the most prominent organelle in a cell accounting for about 10% of the cell's volume.

Structure

The nucleus is an organelle that is surrounded by a double membrane called the nuclear envelope. This envelope isolates the nucleus from the cytoplasm and facilitates the exchange of materials with the rest of the cell. Inside the nucleus, the chromosomes, which carry genetic information, are found.

Components

The cell nucleus contains several components such as the nucleolus, chromatin, and nuclear matrix. The nucleolus is involved in the production of ribosomes, while chromatin is a complex of DNA and protein that condenses to form chromosomes during cell division. The nuclear matrix provides structural support and helps in the organization of the chromosomes.

Related Terms

• Eukaryotic cell
• Nuclear envelope
• Chromosomes
• Nucleolus
• Chromatin
• Nuclear matrix

External links

• Medical encyclopedia article on Cell nucleus
• Wikipedia's article - Cell nucleus

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