What important structures are found inside the nucleus?


Quick Answer

The nucleus of a cell contains chromosomes, which are made from DNA, and the nucleolus. The cell nucleus also regulates the production of important proteins in the rest of the cell. Without both chromosomes and the nucleolus, most types of cells would not survive.

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Full Answer

Chromosomes are the most important structure in the nucleus as they are made of DNA. DNA contains all the instructions that tell the cell how to grow, reproduce and develop. If the DNA is damaged, the cell cannot function correctly.

The nucleolus is also vital for proper cell function. It is found within the nucleus, and is made of a variety of proteins and RNA. The function of the nucleolus is to create a special type of product called ribosomes, which produce proteins that are required for many cell functions.

An important role of the nucleus is to control the cell's production of proteins. It does this by sending messenger RNA, which is a template for creating certain proteins, throughout the cell. Messenger RNA is initially found in the nucleus, but is sent to the cytoplasm when protein production is required. Without the nucleus to regulate protein production, the cell would not produce the correct proteins for survival.

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