Mitosis, Cell Cycle, & DNA Replication

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What is the cell cycle?

Back

The cell cycle is the series of phases that a cell goes through to grow and divide, including interphase, mitosis, and cytokinesis.

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What happens during interphase?

Back

During interphase, the cell grows, duplicates its DNA, and prepares for mitosis. It consists of G1, S, and G2 phases.

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What is mitosis?

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Mitosis is the process of cell division that results in two identical daughter cells, each with the same number of chromosomes as the parent cell.

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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 is cytokinesis?

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

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What is a chromosome?

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A chromosome is a structure made of DNA and proteins that contains genetic information.

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What is a chromatid?

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A chromatid is one half of a duplicated chromosome, which is joined to its sister chromatid at the centromere.

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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.

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What is the significance of the S phase in the cell cycle?

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The S phase is significant because it is when DNA replication occurs, resulting in two identical sets of chromosomes.

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What occurs during prophase?

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During prophase, chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and spindle fibers begin to form.