Eukaryotic cells

Definition

Eukaryotic cells are complex cells that contain a nucleus and various organelles enclosed within membranes. They are found in animals, plants, fungi, and protists.

5 Must Know Facts For Your Next Test

1. Eukaryotic cells have a true nucleus that houses their DNA.
2. They contain membrane-bound organelles like mitochondria, endoplasmic reticulum, and Golgi apparatus.
3. The cytoskeleton provides structural support and aids in intracellular transport.
4. They reproduce through mitosis and meiosis.
5. The plasma membrane is composed of a phospholipid bilayer with embedded proteins.

Review Questions

• What distinguishes eukaryotic cells from prokaryotic cells?
• Name three membrane-bound organelles found in eukaryotic cells.
• How do eukaryotic cells reproduce?

Related terms

Prokaryotic Cells: Simpler cells without a nucleus or membrane-bound organelles.

Mitochondria:

Organelles responsible for producing energy through cellular respiration.

Cytoskeleton:

A network of fibers that provides structural support to the cell.