Karyoplasm

Karyoplasm (also known as nucleoplasm) is the matrix present inside the nucleus of a cell. It is similar to the cytoplasm of a cell. The karyoplasm contains the chromatin and the nucleolus.

Composition

The karyoplasm is composed of water, dissolved ions, and a complex array of organic molecules. These include nucleic acids, proteins, lipids, carbohydrates, and inorganic salts. The karyoplasm also contains the genetic material of the cell, in the form of DNA and RNA.

Function

The primary function of the karyoplasm is to maintain the shape and structure of the nucleus. It also provides a site for the reactions associated with the replication of DNA and the synthesis of RNA. The karyoplasm also plays a role in the regulation of gene expression.

See also

• Cell nucleus
• Cytoplasm
• Nucleolus
• Chromatin

References

Karyoplasm Resources
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