Each of the following descriptions occur during mitosis or under cytokinesis. Write the name of the phase for each 2. Chromosomes decondense to chromatin 3. Chromosomes become visible and consist of two sister chromatids attached at the centromere. 4. Cell is "pinched" into two cells 5. Nuclear envelope begins to disintegrate. 6. Sister chromatids separate and move toward opposite poles 7. Spindle fibers disappear 8. Nuclear envelope reforms 9. Centrioles move to opposite poles of the cell. 10. Microtubules (spindles) extend and attach to the centromeres. 11. Chromosomes move to the middle
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Chromosomes decondense to chromatin: This occurs during **telophase**. Show more…
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Use your knowledge of what occurs during mitosis to determine in which stage the following steps occur. Nucleus disappears Daughter chromosomes are formed Daughter cells form Sister chromatids split Chromosomes align at equator Chromatin condenses into chromosomes Spindle fibers attach to chromatids Spindle fibers begin to form Nucleus reappears Prophase Metaphase Anaphase Telophase
Sri K.
Match each stage of mitosis to its description: In this stage of mitosis, the chromosomes condense and the mitotic spindle begins to form. In this stage of mitosis, the nuclear envelope disintegrates and a microtubule from each pole attaches to one side of a duplicated pair of chromosomes. In this stage of mitosis, duplicated chromosome pairs align on an imaginary plane at the center of the cell. In this stage of mitosis, microtubules from each pole contract and pull duplicated pairs of chromosomes apart, sending one copy to each pole. In this stage of mitosis, duplicate chromosomes complete their journeys to opposite sides of the cells, the chromosomes begin to un-condense and nuclear envelopes begin to form around them.
Suman K.
Classify the following statements into one of the phases of mitosis (prophase, prometaphase, metaphase, anaphase, telophase) 1. Spindle (or mitotic) apparatus is fully formed and arrives at poles for the first time. 2. Spindle microtubules attach for the first time to the centromeres of sister chromatids. 3. The cell begins to elongate and becomes more oval-shaped. 4. Cleavage furrow forms. 5. Chromosomes uncoil, relax, and become invisible. 6. The spindle (mitotic) apparatus disappears. 7. Nucleolus (found in the nucleus) disappears. 8. Sister chromatids separate at the centromeres and begin migration to poles. 9. Chromosomes align at the cell "equator." 10. The nuclear envelope forms around chromosomes at each pole, establishing daughter nuclei. 11. The nuclear envelope disappears completely. 12. Daughter chromosomes arrive at opposite poles of the cell, ending their migration. 13. The nuclear envelope begins to break down. 14. Chromosomes are moving toward the center of the cell. 15. The cell continues to elongate.
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