what is the main function of the nucleus in a cell?
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The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus. The gel-like matrix in which the nuclear components are suspended is the nucleoplasm.
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The most important function of the nucleus is to store the cell's genetic information in the form of DNA. DNA holds the instructions for how the cell should work. DNA stands for deoxyribonucleic acid. The molecules of DNA are organized into special structures called chromosomes.
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Plant Cell Nucleus. ... It stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, which include intermediary metabolism, growth, protein synthesis, and reproduction (cell division). Only the cells of advanced organisms, known as eukaryotes, have a nucleus.
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What is the main function of the nuclear membrane? The nuclear membrane encloses the DNA within the nucleus and protects it from the substances in the cytoplasm. It also regulates the entry and exit of substances in the nucleus.
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DNA serves two important cellular functions: It is the genetic material passed from parent to offspring and it serves as the information to direct and regulate the construction of the proteins necessary for the cell to perform all of its functions.
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It stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, which include intermediary metabolism, growth, protein synthesis, and reproduction (cell division). Only the cells of advanced organisms, known as eukaryotes, have a nucleus.
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Updated November 06, 2019. The cell nucleus​ is a membrane-bound structure that contains a cell's hereditary information and controls its growth and reproduction. It is the command center of a eukaryotic cell and is usually the most notable cell organelle in both size and function.
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Cell Nucleus Definition The cell nucleus is a large organelle in eukaryotic organisms which protects the majority of the DNA within each cell. ... The DNA housed within the cell nucleus contains the information necessary for the creation of the majority of the proteins needed to keep a cell functional.
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The function of the nucleus is to regulate gene expression, including controlling which proteins the cell makes. In addition to DNA, the nucleus contains a thick liquid called nucleoplasm that is similar in composition to the cytosol found in the cytoplasm outside the nucleus (Figure 5.6.
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By controlling the traffic of molecules between the nucleus and cytoplasm, the nuclear pore complex plays a fundamental role in the physiology of all eukaryotic cells. RNAs that are synthesized in the nucleus must be efficiently exported to the cytoplasm, where they function in protein synthesis.
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What is the function of the nucleus? contains nearly all the cells DNA and with it the coded instructions for making proteins and other important molecules.
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Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. ... Cells have many parts, each with a different function.
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Cells have many structures inside of them called organelles. These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA.
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The nucleus contains the DNA of the cell. The cell wall is a strong surface, surrounding the cell membrane and protecting the cell. The cell wall also gives the cell its shape and keeps it rigid. It also prevents too much expansion when water enters the cell.
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The nucleus is the “control center” of a cell. It contains all of the cell's genetic material. While skeletal muscle cells can have multiple nuclei, cardiac muscle cells typically only have one nucleus.
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Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.
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All plant cells contain a nucleus, a structure that stores DNA and acts as a cell's command center. It is surrounded by the nuclear envelope and is filled with nucleoplasm. The nuclear envelope contains nuclear pores which allow molecules with the appropriate nuclear import and export signals in and out of the nucleus.