Eukaryotic cell
Eukaryotic cell
A Eukaryotic cell (/juːkəˈraɪ.ɒtɪk/; from the Greek εὖ 'good' or 'well' and κάρυον 'nut' or 'kernel') is a type of cell that contains a nucleus and other organelles enclosed within membranes.
Etymology
The term "Eukaryotic" is derived from the Greek words "eu", meaning "good" or "well", and "karyon", meaning "nut" or "kernel". This is in reference to the nucleus, or "kernel", which is a defining feature of eukaryotic cells.
Structure
Eukaryotic cells are larger and more complex than their prokaryotic counterparts. They contain a nucleus, where the cell's DNA is stored, and a variety of other organelles, each enclosed in a separate membrane. These include the mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes.
Function
The function of a eukaryotic cell is to organize and carry out the chemical reactions that keep an organism alive. This includes processes such as metabolism, protein synthesis, and cell division.
Related Terms
- Cell
- Prokaryotic cell
- Mitochondria
- Endoplasmic reticulum
- Golgi apparatus
- Lysosomes
- Metabolism
- Protein synthesis
- Cell division
External links
- Medical encyclopedia article on Eukaryotic cell
- Wikipedia's article - Eukaryotic cell
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