Eukaryotic
Eukaryotic
Eukaryotic (pronounced: yoo-kar-ee-ot-ik) is a term used in biology to describe a type of cell that contains a nucleus and other organelles enclosed within membranes. The term is derived from the Greek words 'eu' meaning 'true' and 'karyon' meaning 'nucleus'.
Etymology
The term "Eukaryotic" is derived from the Greek words 'eu' meaning 'true' and 'karyon' meaning 'nucleus'. It was first used in the mid-20th century to distinguish these types of cells from prokaryotic cells, which lack a nucleus.
Characteristics
Eukaryotic cells are typically larger than prokaryotic cells and contain a variety of membrane-bound organelles, such as the endoplasmic reticulum, golgi apparatus, mitochondria, and chloroplasts. They also have a more complex cytoskeleton and use mitosis and meiosis for cell division.
Related Terms
- Prokaryotic: A type of cell that lacks a nucleus and other membrane-bound organelles.
- Organelle: A specialized subunit within a cell that has a specific function.
- Nucleus: The central and most important part of a cell, containing DNA and RNA and responsible for growth and reproduction.
- Mitosis: A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
- Meiosis: A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell.
External links
- Medical encyclopedia article on Eukaryotic
- Wikipedia's article - Eukaryotic
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