Mitosis and Cell Division

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What is mitosis?
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Mitosis is a process of cell division that results in two genetically identical daughter cells from a single parent cell.
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What are the main stages of mitosis?
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The main stages of mitosis are prophase, metaphase, anaphase, and telophase.
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What happens during prophase?
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During prophase, chromatin condenses into visible chromosomes, and the nuclear membrane begins to disintegrate.
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Explain metaphase.
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In metaphase, chromosomes line up in the middle of the cell, attached to the spindle fibers.
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What occurs during anaphase?
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During anaphase, sister chromatids separate and move to opposite poles of the cell.
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Describe telophase.
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In telophase, the chromosomes reach the cell poles, and the nuclear membrane re-forms around each new set of chromosomes.
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What is cytokinesis?
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Cytokinesis is the division of the cytoplasm, resulting in two separate daughter cells.
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How does mitosis differ from meiosis?
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Mitosis results in two identical daughter cells, while meiosis results in four genetically diverse gametes.
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What is the purpose of mitosis?
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The purpose of mitosis is to enable growth, repair damaged tissues, and produce identical cells for replacement.
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What is the importance of spindle fibers?
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Spindle fibers are structures that help separate chromatids to opposite poles during cell division.
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How does cell division contribute to tissue repair?
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Cell division replaces damaged or dead cells, facilitating tissue repair and regeneration.
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What would happen if mitosis did not occur correctly?
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Incorrect mitosis could lead to cell death or diseases like cancer, due to improper chromosome distribution.
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Why is cell cycle regulation important in mitosis?
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Regulation ensures that cells only divide when necessary and under the right conditions, preventing errors.
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How does apoptosis relate to mitosis?
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Apoptosis is a process of programmed cell death, while mitosis is cell division; both are crucial for organism health.
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What role do centromeres play in mitosis?
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Centromeres are regions where spindle fibers attach to separate chromatids during cell division.
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