LYCOS RETRIEVER
Mitosis
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Mitosis is the process of dividing chromosomes during cell division in eukaryotic cells. Mitosis is followed by cytokinesis, the splitting of the cytoplasm. In cell division, a parent cell splits, producing two daughter cells that are identical to the parent. Eukaryotic unicellular organisms like the protist Amoeba use cell division in the production of new individuals, propagating their species. Multicellular eukaryotic organisms, including plants, animals, and fungi, rely on cell division to grow larger by adding new cells. They ... use cell division to repair injured or worn-out tissues by replacing damaged cells with new cells.
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Mitosis is the process by which a cell ensures each daugher cell will have a complete set of chromosomes. There are five key stages of mitosis: During prophase the chromosomes become condensed and key proteins begin to bind the the kinetochores, preparing for spindle attachment. Upon nuclear envelope breakdown, the cell enters prometaphase, during which the mitotic spindle is formed and the chromosomes attach to microtubules in the spindle via their kinetochores. Once attached, the chromosomes start to allign along the metaphase plate in the center of the spindle. During metaphase, all of the chromosomes are attached to microtubules via their kinetochores, and alligned at the metaphase plate. At anaphase onset, the sister chromatids separate and are moved toward the poles of the spindle.
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Mitosis has many phases that it goes through by dividing, There are four phases. Prophase, Metaphase, Anaphase, and Telophase. Mitosis occurs in each cell except the gametes When Eukaryotic cells divides the chromosomes, Making them into daughter cells. The daughter carries identical genetic info. Chromosomes become visible when the cell membrane surrounds the nuclei becomes less usable. In the center chromosomes are attached.
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Mitosis and meiosis differ in their end products. Mitosis results in two cells, each genetically identical to the original. Meiosis, on the other hand, results in four cells, none of which is identical to the original. Each new cell has only half as many chromosomes as did the original. This fact gives meiosis its name: it’s a Greek word meaning “reduction.”
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Mitosis takes place in somatic cells, all cells of the body other than those that become sperm or eggs and is the mechanism that distributes the doubled amount of DNA (chromosomes) to each of the new daughter cells. Mitosis produces two genetically identical daughter cells because, during Mitosis, the [I]dentical sister chromatids are separated. The movement of the chromosomes is often divided into four stages: prophase, metaphase, anaphase, and telophase. Interphase is often included in discussions of mitosis, but interphase is technically not part of mitosis, but rather encompasses stages G1, S, and G2 of the cell cycle.
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Mitosis is when one cell creates two identical copies of itself by splitting in half. Before mitosis, the cell creates an identical set of genetic information - this is called DNA replication. The duplicated genetic information then winds up into a visible object called a chromosome. A chromosome is made up of two chromatids joined at the centromere.
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