cell cycle ipmatc. cell cycle 3 parts: – interphase – mitosis prophase metaphase anaphase...
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Cell CycleIPMATC
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Cell Cycle
3 Parts:– Interphase– Mitosis
Prophase Metaphase Anaphase Telophase
– Cytokinesis
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Stage 1: Interphase
Growth: cell doubles in size and makes the structures needed for division
DNA replication: the cell doubles the amount of DNA in the nucleus
Preparation for Division: continues to make structures needed for division
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Stage 2: Mitosis
One copy of the DNA is passed on to each of the daughter cells
Occurs in 4 parts:
prophase, metaphase,
anaphase, and telophase
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2A:Prophase
Chromatin coils and condenses and forms chromosomes, spindle fibers begin to form, nuclear membrane breaks down
Chromatid: a single rod of genetic material in a chromosome
Centromere: holds the two chromatids together to form a chromosome
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2B: Metaphase
Chromosomes line up at the center of the cell on the spindle fibers
Spindle fibers are attached to centromeres
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2C: Anaphase
Chromatids separate to opposite ends of the cell
Cell becomes stretched
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Telophase
Chromosomes begin to lose their shape
Nuclear membrane begins to reform
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3: Cytokinesis
Cell membrane pinches around the middle and 1 “parent” cell is split into 2 “daughter” cells.
Each daughter cell has an identical number of chromosomes, and about the same amount of organelles and cytoplasm.
Mitosis Video