Cell Cycle, Mitosis, Meiosis

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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 phases: interphase (G1, S, G2) and mitotic phase (M).

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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, each with the same number of chromosomes as the original cell.

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What is meiosis?

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Meiosis is a type of cell division that reduces the chromosome number by half, resulting in four genetically unique haploid cells, typically for the formation of gametes (sperm and eggs).

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Why is DNA replication important in the cell cycle?

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DNA replication is crucial for ensuring that each daughter cell receives an exact copy of the parent cell's genetic material, maintaining genetic continuity.

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What is the end result of mitosis?

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The end result of mitosis is two genetically identical diploid cells.

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How many chromosomes are in a human somatic cell?

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A human somatic cell contains 46 chromosomes.

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What happens during cytokinesis?

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Cytokinesis is the process that divides the cytoplasm of a parental cell into two daughter cells, completing cell division.

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What is the difference between diploid and haploid cells?

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Diploid cells contain two complete sets of chromosomes (46 in humans), while haploid cells contain one complete set (23 in humans).

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What role does mitosis play in multicellular organisms?

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In multicellular organisms, mitosis is essential for growth, maintenance, and repair of tissues.

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What is genetic continuity?

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Genetic continuity refers to the preservation of genetic information across generations of cells, ensuring that daughter cells inherit the same genetic material as the parent cell.