Mitosis and also CytokinesisExplore more

What do you think this colorful picture shows? If girlfriend guessed the it’s a picture of a cabinet undergoing cabinet division, you room right. But an ext specifically, the photo is a lung cabinet stained through fluorescent dyes undergoing mitosis, throughout early anaphase.

You are watching: Chromosomes line up at the equator during


Mitosis and Cytokinesis

During mitosis, once the cell nucleus divides, the two chromatids that consist of each chromosome separate from each other and also move to opposite poles that the cell. This is presented in Figure below. You deserve to watch an animation of the procedure at the adhering to link:http://www.piersonforcongress.comlogy.arizona.edu/Cell_piersonforcongress.com/tutorials/cell_cycle/MitosisFlash.html.

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Mitosis is the step of the eukaryotic piersonforcongress.com cell cycle that occurs in between DNA replication and the development of two daughter cells. What happens during mitosis?

Mitosis in reality occurs in four phases. The phases are referred to as prophase, metaphase, anaphase, and telophase. Castle are shown in Figure below and also described in greater information in the complying with sections.

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Metaphase

During metaphase, spindle fibers connect to the centromere of every pair the sister chromatids (see Figure below). The sister chromatids heat up in ~ the equator, or center, that the cell. This is additionally known together the metaphase plate. The spindle fibers ensure the sister chromatids will certainly separate and also go to various daughter cells once the cabinet divides.

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Chromosomes, consisting of sisters chromatids, heat up at the equator or center of the cell throughout metaphase.


Anaphase

During anaphase, sister chromatids separate and also the centromeres divide. The sisters chromatids are pulled personal by the shortening of the spindle fibers. This is prefer reeling in a fish through shortening the fishing line. One sister chromatid move to one pole the the cell, and the other sister chromatid move to the contrary pole. In ~ the end of anaphase, every pole the the cell has actually a complete collection of chromosomes.



Cytokinesis

Cytokinesis is the last stage of cell division in eukaryotes and prokaryotes. Throughout cytokinesis, the cytoplasm splits in two and the cell divides. Cytokinesis occurs somewhat differently in plant and animal cells, as displayed in Figure below. In animal cells, the plasma membrane that the parental cell pinches inward follow me the cell’s equator until 2 daughter cells form. In plant cells, a cabinet plate forms along the equator the the parent cell. Then, a new plasma membrane and cell wall kind along every side the the cabinet plate.

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Cytokinesis is the final stage of eukaryotic cell division. It occurs in different ways in pet (left) and also plant (right) cells.

The phases that mitosis are debated in the video: http://www.youtube.com/watch?v=LLKX_4DHE3I.



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The 4 phases of mitosis. Can you define what happens in every phase?


Summary

Cell division in eukaryotic cells contains mitosis, in which the cell nucleus divides, and cytokinesis, in i beg your pardon the cytoplasm divides and daughter cell form. Mitosis wake up in four phases, called prophase, metaphase, anaphase, and telophase.

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Use this source to answer the questions that follow.

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throughout which phase of mitosis carry out the spindle yarn align the chromosomes follow me the middle of the cell? during which phase of mitosis do poteins connect to the centromeres creating the kinetochores? during which phase of mitosis does chromatin in the nucleus starts to condense? throughout which phase of mitosis do the paired chromosomes separate at the kinetochores? throughout which phase of mitosis do new membranes form around the daughter nuclei?

Review

list the phases the mitosis. What happens throughout prophase that mitosis? during which step of mitosis do sister chromatids separate? define what happens throughout cytokinesis in pet cells. If a cabinet skipped metaphase throughout mitosis, how can this affect the 2 daughter cells? explain the significance of the spindle fibers in mitosis.