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Cell Structure and Cell Organelles

The Nucleus (Eukaryon)

Many single-celled and all multicellular organisms are made of eukaryotic cells. Their most important feature, which gives them their name, is their nucleus (eukaryon).

Nucleus (eukaryon)

Usually spherical, separated from the cell plasma by the nuclear membrane, which is linked to the endoplasmic reticulum via nuclear pores. Contains chromatin and chromosomes, which contain the genetic information (DNA). Controls the structure and function of the cell. Contains one or more nucleoli: Small spherical structures for RNA synthesis and formation of ribosomes.

3D Animation: Structure of a chromosome

Links and Literature

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