.

Simply so, what is called nucleus?

Nucleus. Nucleus (plural nuclei) is a Latin word for the seed inside a fruit. It most often refers to: Atomic nucleus, the very dense central region of an atom. Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA.

Furthermore, what is the difference between nucleus and nuclei? Nucleus is just the singular form and Nuclei is the plural form. Nucleus (pl: nuclei) is a Latin word for the seed inside a fruit. Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA. Nucleus (neuroanatomy), a cluster of neurons in the central nervous system.

Then, what is nucleus function?

The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.

Why is the nucleus so important?

The nucleus is the most important organelle in the cell. It contains the genetic material, the DNA, which is responsible for controlling and directing all the activities of the cell. All the RNAs needed for the cell are synthesised in the nucleus.