How To Use Mitosis In A Sentence
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Prophase, then, is the build-up to mitosis-or, at least, the visible part of the build-up.
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Spores (n) Meiosis Female gametangium (n) 1 2 Mitosis and development 3 4 Mitosis and development 5 17.7
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Once development begins, the embryo divides rapidly and each mitosis seems to be associated with an increase in calcium.
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Most of what goes wrong during meiosis-to-fertilization-to-mitosis results in chromosomal abnormalities, usually nondisjunction, thus providing a mechanism for aneuplodiy -- rather than an insistence that it really does happen.
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If a deleterious mutation occurs, the chromosome carrying that mutation can be lost following unequal assortment during amitosis of the macronucleus.
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Gold nanoparticle dark-field imaging of live cells in real time revealed that the nuclear targeting of gold nanoparticles specifically induces cytokinesis arrest in cancer cells, where binucleate cell formation occurs after mitosis takes place.
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I warmed to the discussion, eager to share my knowledge of meiosis and mitosis, spermatogenesis and seminal vesicles, ovulation and the menstrual cycle.
Archive 2006-01-01
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These questions asked the reader to describe and draw the cell when it was in the telophase and the late prophase stages of mitosis.
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Do you reproduce by mitosis and cytokinesis like amoebas do?
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SHIP deficient MK precursors preserve endomitosis function Megakaryocytic precursors, unlike other cells, continue to synthesize DNA during differentiation.
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In the simplest form of reproduction, one cell cutting itself in two to make two new ones, known as mitosis, the change begins in the nucleus, or kernel.
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Therefore, progression from mitosis into meiotic prophase is spatially organized in a linear fashion extending from the distal end.
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Counting cells at mitosis or interphase is universally applicable.
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chromosomes are distributed by spindles in mitosis and meiosis
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Meiotic spindles form after fertilization of the worm embryo in the same cytoplasm that later supports embryonic mitosis.
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In animal cells during mitosis and interphase, microtubule growth occurs at plus ends, and microtubule assembly is dominated by plus-end dynamic instability.
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Since the yeast nuclear membrane does not break down during mitosis, is it possible that the internuclear GFP-Scd1 signal was from Scd1 attached to the nuclear membrane?
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The normal expression of proto-oncogenes plays an important role in the regulation of spermatogonial mitosis , spermatocyte meiosis as well as spermiogenesis and sperm maturation.
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He neglects to mention that metaphase I oocyte chromosome alignment is mechanistically different from mitosis the chromosomes are physically tethered to each other, and that metaphase II, which is mechanistically similar to mitosis, does have abnormalities.
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(in a process called mitosis, depicted on the right), their genomes grow shorter until they reach a point where replication can no longer occur.
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It has been shown in vitro [98] that in synovial cells, the over-expression of CCNB1 and CDC2 leads to aberrant mitosis, recognizable by abundant cytoplasm, large pale nuclei and prominent nucleoli with karyotypic alteration.
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Science keeps eddying into its past: the word mitosis—Greek for “thread”—is resonant here again.
The Emperor of All Maladies
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Mitosis Non-mitosis stages are called interphase
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Prophase - The first stage of mitosis is known as prophase, where the nuclear chromatin starts to become organized and condenses into thick strands that eventually become chromosomes observable in the optical microscope (Figure 1 (b)).
Undefined
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Meiosis produces 4 gametes, ie. isogamy, anisogamy and oogamy, which through mitosis develops into mature gametes.
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Their presence in cells is a reflection of structural and/or numerical chromosomal aberrations arising during mitosis.
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The sproangia produces mitospores which through mitosis develops into gametangia, or sex organs.
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Besides amitosis, cold-pretreatment also induced some abnormal mitotic behavior leading to the formation of micronuclei.
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Cytokinesis - The final stage in the process of cell division is known as cytokinesis, which usually begins during late anaphase or early telophase (before mitosis ends) as the nuclear envelope and nucleoli are reforming and the chromosomes are de-condensing (see Figure 1 (f)).
Undefined
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- Perhaps the most recognizable phase of mitosis is termed metaphase, a stage where the chromosomes, attached to the kinetochore microtubules, begin to align in a single plane (known as the metaphase plate) midway between the spindle poles (see Figure 1 (c)).
Undefined
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Structural proteins are also used during mitosis and cytokinesis, the processes by which a cell reproduces itself.
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The entire process of cell division, referred to as mitosis, takes only about an hour.
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Mendel, Gregor meristem metabolism metamorphosis microorganisms missing link mitochondrion mitochondrial Eve mitosis molecular biology mollusks
21. Life Sciences
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Centromeres are essential for the proper segregation of chromosomes at mitosis and meiosis.
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Apparently some special attributes of this microbial group have led to acquisition of the ability to manipulate mitosis in eukaryotic hosts.
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The cells of the morula continue to divide by mitosis, and the morula passes down into the uterus.
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Glaucophytes undergo open mitosis and lack centrioles associated with the centrosomes.
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My own mnemonic system depends on the fact that the word meiosis has been “reduced,” from mitosis, to the extent of not containing the letter t.
The Song of The Dodo
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Upon muscle injury, these cells undergo mitosis, proliferate, form syncytium and ultimately form new skeletal myocytes.
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Because mitotic figures do not occur in adult liver, the binucleate cells are usually assumed to be the result of amitosis, which implies splitting of the nucleus by constriction without the formation of a visible spindle and distinguishable chromosomes.
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Many apoptotic bodies were present, but mitosis was not prominent. sections demonstrating small intestinal mucosa adjacent to tumor showed no evidence of villous atrophy or crypt hyperplasia.
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Endothelial cells proximal to the injury undergo rapid mitosis.
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(Popp, Gu, Li) to consider DNA as a "bio-laser" nuclear biological laser • the storage of a large number of biophotons in the nuclear DNA and mitochondrion medium, which can get stuck between DNA's catenae (as the most profound light - information trap) for an indefinite period of time • the initiation of the specific electromagnetic effects inside organelles as division of genetic material in the nucleus, in mitochondria and the cell itself • and mitosis starting with RNA in nucleolus of the nucleus
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The E3 enzyme responsible, a protein complex termed the "anaphase-promoting complex" (APC) checks that the cell goes out of mitosis.
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Not surprisingly, macronuclei divide by amitosis (except within the class Karyorelictea, in which macronuclear division does not occur).
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Plant or vinca alkaloids are derived from plants and block cell division during mitosis.
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Cells were classified with regard to the presence of abnormal metaphases and aberrations of any of the stages of mitosis.
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Indirect division or karyokinesis (karyomitosis) has been observed in all the tissuesgenerative cells, epithelial tissue, connective tissue, muscular tissue, and nerve tissue.
I. Embryology. 1. The Animal Cell
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Sponges repair tissue damage by either an infiltration of archaeocytes and other mesohyl cells to the wound area or by localized increases in mitosis that result in ingrowth.
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Functional analysis of human microtubule-based motor proteins, the kinesins and dyneins, in mitosis/cytokinesis using RNA interference.
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Second, the centromere is the focus for the formation of the kinetochore, where microtubules connect to the chromosomes during anaphase in mitosis and meiosis.
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This resulted in the identification of two ubiquitin-protein ligase complexes: the cyclosome, now also called anaphase-promoting complex or APC / C, involved in the degradation of mitotic cyclins and some other cell cycle regulatory proteins in exit from mitosis
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It can either start asexual reproduction or it can produce gametes through mitosis.
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Meiosis produces 4 gametes, ie. isogamy, anisogamy and oogamy, which through mitosis develops into mature gametes.
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Radiobiologists often distinguish between radiation-induced cell death with regard to the ability to enter mitosis, i.e. interphase or mitotic cell death.
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Mitosis and meiosis divisionsexual reproduction possible . Each means of passing on hereditary information has advantages.
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In most diplonts, mitosis occurs only in the diploid phase, i.e. gametes usually form quickly and fuse to produce diploid zygotes.
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Note that macronuclear karyokinesis and cytokinesis has initiated in rad 51 nulls despite the failure to complete micronuclear mitosis.
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It is undisputable that mitosis and cytokinesis, although tightly coupled in most cells, can often be uncoupled, suggesting that these two processes are actually independent, even though they usually cooperate to bring about cell division.
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It is generally assumed that DNA chains are randomly segregated to daughter cells during mitosis.
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Vascular invasion, mitosis, and cell pleomorphism are not observed in cases of bronchiolitis obliterans organizing pneumonia.
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Thus, in effect, before mitosis a normal body cell of an animal contains four functional sets of chromosomes.
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All life divided through mitosis, which is asexual reproduction, not female.
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All further cell divisions from this unicellular stage of the human being occur by simple mitosis.
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2001 PMID: 11222861, which demonstrates that at the end of mitosis, the mother centriole leaves the spindle pole and zips across to the center of the cell where the cytokinetic furrow is forming.
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Two new micronuclei have formed in what would soon become daughter cells, the macronucleus has undergone amitosis, and Cytokinesis is progressing as the cleavage furrow becomes defined.
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The discovery, reported in the article "Arpc 1b, a centrosomal protein, is both an activator and substrate of Aurora A," furthers the science world's understanding of what happens during the fundamental process of mitosis, when cells divide.
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The standard treatment for haemochromitosis is for the patient to be bled, to have a pint of blood removed in a method very similar to that of blood donation, at regular intervals.
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The chromosomes remain condensed during mitosis and even during interphase, though they do unwind for replication of the DNA.
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Regions of the germline with cells in mitosis or different stages of meiotic prophase are indicated.
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Gross changes in chromosome morphology occur at each mitosis.
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The DNA is asymmetrically distributed to the daughter cells when the kinetochores do not attach and the spindle checkpoint does not restrain mitosis.
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Well, it was more about the way chromosomes get divided or doubled in two processes called mitosis and meiosis.
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As I was grappling with some of the more technical passages that contained words like allele, nucleotide, cistron, and mitosis,
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Other features of atypical hyperplasia included granulated tissue with atypical endothelial cells, nonatypical mitosis, lymphoid hyperplasia, and the absence of dysplasia or carcinoma in situ.
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The oogonia multiply by mitosis, but early in fetal life, they enter meiosis.
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Hyundai has discovered a name for the crampy condition--Crampomitosis--and is taking strides to cure it, all while benefiting a great cause.
Alyssa Jung: Hyundai 'Cures' Cramps, For A Cause
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The centromere is responsible for two key chromosomal functions in mitosis and meiosis.
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Mitosis, size of tumour, necrosis and pleomorphism are thought to be prognostic factors for aggressiveness of solitary fibrous tumours.
