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Eukaryotic Cells

Eukaryotic Cells: The Nucleus and Other Membrane-Bound Organelles

What is a Eukaryotic Cell?

Any cell or organism that possesses a clearly defined nucleus is a eukaryote. The eukaryotic cell has a nuclear membrane that surrounds and houses its DNA.

The Nucleus

The nucleus is the control center of the cell.

It is surrounded by a membrane that separates it from the rest of the cell contents.

Inside the nucleus, DNA is organized into chromosomes.

Other Membrane-Bound Organelles

Eukaryotic cells contain several other membrane-bound organelles, including:

  • Mitochondria: The mitochondria are responsible for producing energy for the cell.
  • Endoplasmic reticulum: The endoplasmic reticulum is a network of membranes that folds and transports proteins.
  • Golgi apparatus: The Golgi apparatus is responsible for modifying and packaging proteins for export.

Conclusion

Eukaryotic cells are more complex than prokaryotic cells and have a variety of membrane-bound organelles that perform specific functions. The nucleus is the control center of the cell and contains DNA, while other organelles such as the mitochondria, endoplasmic reticulum, and Golgi apparatus are responsible for producing energy, folding and transporting proteins, and modifying and packaging proteins for export, respectively.


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