EOC Review Mitosis

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What is Mitosis?

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Mitosis is the process by which a single cell divides to produce two identical daughter cells, ensuring that each new cell receives an exact copy of the parent cell's DNA.

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What are the main phases of Mitosis?

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The main phases of Mitosis are Prophase, Metaphase, Anaphase, and Telophase.

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What happens during Prophase?

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During Prophase, the chromatin condenses into visible chromosomes, the nuclear envelope begins to break down, and the spindle apparatus starts to form.

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What occurs during Metaphase?

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During Metaphase, chromosomes align at the cell's equatorial plane, and spindle fibers attach to the centromeres of the chromosomes.

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What is Anaphase?

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Anaphase is the phase where sister chromatids are pulled apart to opposite poles of the cell, ensuring each new cell will have an identical set of chromosomes.

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What happens during Telophase?

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During Telophase, the chromosomes reach the poles, the nuclear envelope re-forms around each set of chromosomes, and the chromosomes begin to de-condense back into chromatin.

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What is Cytokinesis?

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Cytokinesis is the process that follows Mitosis, where the cytoplasm of the parent cell divides, resulting in two separate daughter cells.

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Why is DNA replication important before Mitosis?

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DNA replication is crucial before Mitosis to ensure that each daughter cell receives an identical set of genetic information.

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What is the role of the spindle fibers in Mitosis?

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Spindle fibers are responsible for separating the chromosomes during Mitosis, ensuring that each daughter cell receives the correct number of chromosomes.

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What is a centromere?

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A centromere is the region of a chromosome where the two sister chromatids are joined together and where the spindle fibers attach during Mitosis.