Cell Cycle All questions

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What is the cell cycle?

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The cell cycle is the series of events that take place in a cell leading to its division and duplication (replication). It consists of interphase and the mitotic phase.

Front

What are the main phases of the cell cycle?

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The main phases of the cell cycle are Interphase (G1, S, G2) and the Mitotic phase (M phase, which includes mitosis and cytokinesis).

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What occurs during interphase?

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Interphase is divided into three stages: G1 (cell growth), S (DNA synthesis), and G2 (preparation for mitosis).

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What is mitosis?

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells from a single parent cell.

Front

What are the phases of mitosis?

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The phases 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, the nuclear envelope breaks down, and the mitotic spindle begins to form.

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What happens 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 happens during anaphase?

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During anaphase, sister chromatids are pulled apart to opposite poles of the cell by the spindle fibers.

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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.

Front

What is cytokinesis?

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Cytokinesis is the process that follows mitosis, where the cytoplasm of a parental cell is divided into two daughter cells.