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Questions and Answers
What are the four main phases of mitosis?
What happens during metaphase in mitosis?
What is the last phase of mitosis?
What is the main difference between cytokinesis in animals and plants?
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What occurs during prophase in mitosis?
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What happens during anaphase in mitosis?
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Study Notes
- Mitosis is a process of cell division that enables regeneration of body parts
- Mitosis involves the separation of nuclear chromosomes into two identical daughter nuclei
- Mitosis is composed of four main phases: prophase, metaphase, anaphase, and telophase
- During prophase, chromatin condenses, forming chromosomes, and the nucleolus disappears
- Centrosomes, each with a pair of centrioles, move apart forming a spindle between them
- In metaphase, the chromosomes align along the middle of the cell due to microtubules interaction
- During anaphase, sister chromatids separate at the kinetochore and move towards opposite poles as microtubules shorten
- Telophase involves the arrival of daughter chromosomes at the poles, the chromatin starts to decondense, and nucleoli and nuclear membranes reform.
- An additional phase, cytokinesis, occurs after nuclear division, creating two separate cells with their own nuclei and cytoplasm.
- Cytokinesis is different in animals and plants: in animals, a cleavage furrow forms and deepens, dividing the cytoplasm, while in plants a cell plate forms and grows, dividing the cell wall.
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Description
Test your knowledge of the mitosis process with this quiz. Learn about the phases and key events involved in cell division.
