how to accelerate the mitosis process? in school?
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Stimulating the cells with growth hormone, maybe?
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cytokinesis is the process of splitting of cell in two by forming a cleavage on its cytoplasm while karyokinesis is forming of cleavage in the nucleus...?? oh!not sure..hehe..
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Interphase\n\nhttp://www.cellsalive.com/cell_cycle.htm
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Mitosis is the process of dividing a parent cell to make two daughter cells.\nFirst the Centrioles move to the opposite sides of the cell\nthe nuclear membrane dissolves, and the spindle fibers begin to form.(Prophase)\nSecond the chromosomes line up in the center of the cell.(Metaphase)\nThird the centromere breaks up and the spindle fibers pull apart the chromosomes.(Anaphase)\nFourth the nuclear membranes begin to reform, and the nucleus is formed on each cell.(Telophase)\nFinally the cellular membrane separate and 2 daughter cells are formed.(Cytokinises)
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Wikipedia's entry is very good on the phases of mitosis:\nhttp://jove.geol.niu.edu/faculty/stoddard/JAVA/luminaries.html
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Cytokinesis is part of mitosis where the cell membrane divides
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During the metapase of mitosis.\n\nHere's a picture that should help you out!!\nhttp://www.uhh.hawaii.edu/~ronald/392/Mitosis.JPG
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* Anaphase is the shortest phase of mitosis.\n    * The chromatids twins are all pulled apart at the centromere by the spindle fibers, separating as free chromosomes. Each newly separated chromosomes quickly moves to the spindle pole that its microtubule is joined.\n    * The poles of the cell get moved apart. Sister chromatds are pulled to opposite poles by shortening the microtubules joined to them.
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The following quote is from \n\nhttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=3607844&query_hl=6&itool=pubmed_docsum\n\n"prophase lasted 4.8 hr; metaphase, 0.2 hr; anaphase, 0.06 hr and telophase, 3.3 hr, while the interphase lasted 5.4 hr. In accordance with this, the duration of the whole mitotic process was 8.4 hr."
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mitosis is the process of cell division.\n\nWithout cell division there would be no reproduction of cells, therefore when a cell dies, that would be it.  Eventually all your cells would die, and you'd be dead.\n\nThis website will probably explain it better:\nhttp://en.wikipedia.org/wiki/Mitosis
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Phases of mitosis\n \nThe cell cycle.The mitotic phase is a relatively short action-packed period of the cell cycle. It alternates with the much longer interphase, where the cell prepares itself for division. Interphase is divided into three phases, G1 (first gap), S (synthesis), and G2 (second gap). During all three phases, the cell grows by producing proteins and cytoplasmic organelles. However, chromosomes are replicated only during the S phase. Thus, a cell grows (G1), continues to grow as it duplicates its chromosomes (S), grows more and prepares for mitosis (G2), and divides (M).\n\nMitosis is a continual and dynamic process. For purposes of description, however, mitosis is conventionally broken down into five subphases: prophase, prometaphase, metaphase, anaphase, and telophase.\n\n[edit]\nProphase\n \nProphase: The two round objects above the nucleus are the centrosomes. Note the condensed chromatin.Main article: Prophase \nNormally, the genetic material in the nucleus is in a loosely bundled coil called chromatin. At the onset of prophase, chromatin condenses together into a highly ordered structure called a chromosome. Since the genetic material has already been duplicated earlier in S phase, the chromosomes have two sister chromatids, bound together at the centromere by the protein cohesin. Chromosomes are visible at high magnification through a light microscope.\n\nJust outside the nucleus are two centrosomes. Each centrosome, which was replicated earlier independent of mitosis, acts as a coordinating center for the cell's microtubules. The two centrosomes sprout microtubules (which may be thought of as cellular ropes or poles) by polymerizing free-floating tubulin protein. By repulsive interaction of these microtubules with each other, the centrosomes push themselves to opposite ends of the cell (although new research has shown that there might be a mechanism inside the centromeres that also grab the microtubules and pull the chromatids apart). The network of microtubules is the beginning of the mitotic spindle.\n\nSome centrosomes contain a pair of centrioles that may help organize microtubule assembly, but they are not essential to formation of the mitotic spindle. Plant cells that lack centrioles have no trouble undergoing mitosis.\n\n[edit]\nPrometaphase\n \nPrometaphase: The nuclear membrane has degraded, and microtubules have invaded the nuclear space. These microtubules can attach to kinetochores or they can interact with opposing microtubules.Main article: Prometaphase \nThe nuclear envelope dissolves and microtubules invade the nuclear space. This is called open mitosis, and it occurs in most multicellular organisms. Some protists, such as algae, undergo a variation called closed mitosis where the microtubules are able to penetrate an intact nuclear envelope.\n\nEach chromosome forms two kinetochores at the centromere, one attached at each chromatid. A kinetochore is a complex protein structure that is analogous to a ring for the microtubule hook; it is the point where microtubules attach themselves to the chromosome. Although the kinetochore is not fully understood, it is known that it contains a molecular motor. When a microtubule connects with the kinetochore, the motor activates, using energy from ATP to "crawl" up the tube toward the originating centrosome. The kinetochore provides the pulling force necessary to later separate the chromosome's two chromatids.\n\nWhen the spindle grows to sufficient length, kinetochore microtubules begin searching for kinetochores to attach to. A number of nonkinetochore microtubules find and interact with corresponding nonkinetochore microtubules from the opposite centrosome to form the mitotic spindle.CXV\n\nPrometaphase is sometimes considered part of prophase.\n\n[edit]\nMetaphase\n \nMetaphase: The chromosomes have aligned at the metaphase plate.Main article: Metaphase \nAs microtubules find and attach to kinetochores in prometaphase, the centro
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The importance of mitosis is the maintenance of the chromosomal set; each cell formed receives chromosomes that are alike in composition and equal in number to the chromosomes of the parent cell. Transcription is generally believed to cease during mitosis, but epigenetic mechanisms such as bookmarking function during this stage of the cell cycle to ensure that the "memory" of which genes were active prior to entry into mitosis are transmitted to the daughter cells\nMitosis is the process by which a cell separates its duplicated genome into two identical halves. It starts with cytokinesis which divides the cytoplasm and cell membrane. This results in two identical daughter cells with a roughly equal distribution of organelles and other cellular components. Mitosis and cytokinesis together is defined as the mitotic (M) phase of the cell cycle, the division of the mother cell into two daughter cells, each the genetic equivalent of the parent cell. Mitosis occurs exclusively in eukaryotic cells. In multicellular organisms, the somatic cells undergo mitosis, while germ cells — cells destined to become sperm in males or ova in females — divide by a related process called meiosis.\nVR
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When a cell divides you get a new cell. There are actually four main stages of cell division. They are:\nProphase\nMetaphase\nAnaphase\nTelophase.\n\nIf you want more information, I would suggest trying Wikipedia, or your local library.
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that mitosis or meiosis occured.
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Mitosis\n\nThe beginning of mitosis is called prophase. In early prophase, the centrosomes move toward opposite poles of the cell, organizing the spindle microtubules between them. The sister chromatids become visible in the nucleus as they condense. \n\nIn late prophase, the nuclear membrane breaks down and some of the spindle microtubules attach to the sister chromatids. The microtubules pull the chromatid pairs to the midline of the cell, or metaphase plate.\n\n•••\n\nThe chromatids remain lined up between the poles of the cell during metaphase.\n\n•••\n\nAnaphase begins when the pairs of sister chromatids separate. The separated chromatids are now called chromosomes, and move toward the poles of the cell.\n\n•••\n\nThe chromosomes arrive at the poles in telophase, and new nuclear membranes form around them.\n\n•••\n\nDivision of the cytoplasmic components is called cytokinesis. \n\nIn animal cells, cytokinesis occurs when a ring of actin and myosin filaments constricts the plasma membrane at the equator. Eventually, the parent cell is divided into two cells.\n\nAnimal Cytokinesis Movie (500K)\n\n\n\nIn plant cells, a number of small vesicles fuse at the metaphase plate to form the cell plate. Over time, the cell plate reaches across the cell and joins with the plasma membrane.\n\n•••\n\nThe process of mitosis and cytokinesis creates two separate cells, each with an identical set of chromosomes. After cytokinesis, the daughter cells will enter interphase.
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a small volume (1 to 10 ml) of blood is taken, cultured in medium containing a mitogen(to induce WBCs to divide)and placed in a 37 c incubator for about 72 hours. Then a mitosis-arresting agent is added. After treatment with a hypotonic solution like 0.075M KCL(so that the cells will swell and chromosomes spread)the cells are fixed with a fixative (usually made from one part acetic acid to three part methanol)and mixed thoroughly.then a drop of this cell suspension is put on a slide and placed on a hotplate(or in an oven overnight).Harvesting means the step after KCL treatment, when you add fixative.
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I'm a biology teacher, and a cell model is a project every year.\n\nUse a HARD beachball about the size of a basketball....or a cheap dimestore basket ball. Cut in in half and use thin wires to suspend the various organelles inside.