Quick 10Q: Mitosis

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What is mitosis?

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

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What occurs during interphase?

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Interphase is the phase of the cell cycle where the cell prepares for division, including DNA replication and growth.

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What is the role of the G1 checkpoint?

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The G1 checkpoint determines whether the cell is ready to divide, assessing cell size, nutrients, and DNA integrity.

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What happens during the S phase of the cell cycle?

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During the S phase, DNA is replicated, resulting in two sister chromatids for each chromosome.

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What is the G2 checkpoint responsible for?

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The G2 checkpoint ensures that all DNA has been replicated correctly and checks for any DNA damage before mitosis.

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What is the M checkpoint?

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The M checkpoint ensures that all microtubules are properly attached to kinetochores before the cell proceeds with mitosis.

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List the stages of mitosis in order.

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The stages of mitosis in order are: Prophase, Metaphase, Anaphase, Telophase.

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What is cytokinesis?

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Cytokinesis is the process that follows mitosis, where the cytoplasm divides, resulting in two separate daughter cells.

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Define sister chromatids.

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Sister chromatids are two identical copies of a chromosome, connected by a centromere, formed during DNA replication.

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What is chromatin?

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Chromatin is the complex of DNA and proteins found in the nucleus of eukaryotic cells, which condenses to form chromosomes during mitosis.