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5 Cards in this Set
- Front
- Back
Interphase |
* Phase with highest metabolism (mitochondria have a high activity)
* Muscles never complete the whole cycle |
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Prophase |
* Chromosomes become shorter and thicker by coiling themselves (condensation)
* This prevents tangling with other chromosomes * Nuclear envelope disappears/breaks down * Protein fibres (spindle microtubules) form * Centrioles are moving toward opposite poles forming the spindle apparatus of microtubule |
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Metaphase |
* Centrioles at opposite poles
* Chromosomes line up on the equator of the spindle * Centromeres (kinetochores) attach to spindle fibres * Kinetochores consist of microtubules and "motor" proteins which utilise ATP to pull on the spindle |
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Anaphase |
* Spindle fibres pull copies of chromatids to spindle poles to separate them
* Mitochondria around spindle provide energy for movement |
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Telophase |
* Chromatid at the pole
* Sets of chromosomes form new nuclei * Chromosomes become long and thin, uncoil! * Nuclear envelopes form around the nucleus |