Cell Cycle

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What is the cell cycle?
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The cell cycle is the series of events that cells go through as they grow and divide.
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What are the main phases of the cell cycle?
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The main phases are interphase and the mitotic phase (M phase).
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What happens during interphase?
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During interphase, the cell grows, replicates its DNA, and prepares for mitosis. It includes G1, S, and G2 phases.
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What occurs in the G1 phase of the cell cycle?
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In the G1 phase, the cell grows and performs normal functions. It is also where it makes proteins needed for DNA replication.
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What occurs in the S phase of the cell cycle?
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During the S phase, the cell's DNA is replicated.
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What occurs in the G2 phase of the cell cycle?
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During the G2 phase, the cell continues to grow and produce proteins necessary for mitosis.
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What is the mitotic phase in the cell cycle?
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The mitotic phase (M phase) is when the cell divides into two daughter cells. It includes mitosis and cytokinesis.
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What are the stages of mitosis?
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The stages of mitosis are prophase, metaphase, anaphase, and telophase.
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What happens during prophase?
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In prophase, the chromosomes condense, the nuclear membrane dissolves, and spindle fibers begin to form.
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What occurs during metaphase?
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Chromosomes line up at the cell's equator during metaphase.
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What occurs during anaphase?
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During anaphase, sister chromatids are pulled apart to opposite ends of the cell.
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What occurs during telophase?
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In telophase, the nuclear membrane re-forms around each set of chromosomes, which de-condense.
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What is cytokinesis?
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Cytokinesis is the process where the cytoplasm divides, resulting in two daughter cells.
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How do plant and animal cells differ in cytokinesis?
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In animal cells, a cleavage furrow forms to divide the cell, whereas plant cells form a cell plate that develops into a new cell wall.
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Why is the cell cycle important?
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The cell cycle is crucial for growth, repair, and cell reproduction in organisms.
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