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Prophase in Biological News

Invitrogen Launches i-Path -- A Unique Systems Biology Platform at BIO 2005

... not used routinely for treatment at present, and so any that are retrieved can be donated for research. These immature oocytes are arrested in the prophase I stage, before meiotic division is complete, when the enlarged nucleus is called the germinal vesicle (GV). Bjorn Heindryckx, a PhD student at ...

Scientists succeed in cloning human embryos from eggs matured in the lab

... not used routinely for treatment at present, and so any that are retrieved can be donated for research. These immature oocytes are arrested in the prophase I stage, before meiotic division is complete, when the enlarged nucleus is called the germinal vesicle (GV). Bjorn Heindryckx, a PhD student at ...
Prophase in Biological Technology

siRNA screening of the cell cycle with two dynamic GFP sensors (from Discovery Matters Issue 1, July 2005)

... following gene knockdown. For example, treatment of cells with cyclin A2 siRNA (CCNA2) resulted in a significant accumulation of cells in prophase and mitosis to a similar degree to that observed for cyclin B1 (CCNB1), corresponding with the requirement for cyclin A for G1/S and G2/M ....
Prophase in Biological Definition

Meiosis

... However, the alignment of chromosomes for prophase is different. Homologous chromosomes join into ... 4 See also Meiosis I ProphaseI prophase I (the prophase of meiosis I) is the longest phase. In this ...

Mitosis

... 1 Overview 2 Phases 2.1 prophase 2.2 Prometaphase 2.3 Metaphase 2.4 ... is known as binary fission . Phases prophase Main article: prophase The genetic material ( DNA ), which normally ...

Mitosis

... 1 Overview 2 Phases 2.1 prophase 2.2 Prometaphase 2.3 Metaphase 2.4 ... is known as binary fission . Phases prophase Main article: prophase The genetic material ( DNA ), which normally ...

Prophase

... prophase is a stage of mitosis . In prophase the genetic material ( DNA ), which normally exists in the form of ...

Anaphase

... chromosome separation and can extend the spindle to up to 15 times its metaphase length in the process. See also gamete cytokinesis prophase prometaphase metaphase telephase chromosome prokaryote eukaryote ...

Centrosome

... nucleus, and consists of a pair of centrioles arranged perpenidcularly to each other (in this case, they are known as diplosomes). During the prophase of mitosis , the centrosomes migrate to opposite poles of the cell. Between them is formed the spindle , a bundle of microtubules that will ...

Chromatin

... (2) Chromatin strand ( DNA with histones ). (3) Condensed chromatin during interphase with centromere . (4) Condensed chromatin during prophase . (Two copies of the DNA molecule are now present) (5) Chromosome during metaphase . Two distinct types of chromatin can be distinguished: ...

Chromosome

... DNA strand. (2) Chromatin strand ( DNA with histones ). (3) Chromatin during interphase with centromere . (4) Condensed chromatin during prophase . (Two copies of the DNA molecule are now present) (5) Chromosome during metaphase . In the early stages of mitosis, the chromatin strands ...

Chromosomal crossover

... Chromosomal crossover is the process by which two chromosomes , paired up during prophase I of meiosis , exchange some distal portion of their DNA . Crossover occurs when two chromosomes , normally two homologous instances of the ...

Metaphase

... the metaphase plate does the cell enter anaphase . This is accomplished by regulation of the APC, securin, and separase. Metaphase is preceded by prophase and followed by anaphase. See also cytokinesis prometaphase telophase anaphase ...

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Prophase in Biological Dictionary

Zygotene

... word games. zygotene ( ) n. The stage in prophase of meiosis during which homologous ... present ... stage? ... zygotene the second stage of the prophase of meiosis ... How many chromosome are ... ... pairing meiosis - pairing at zygotene of prophase I 4. Exchange ... Information about zygotene ...

Prophase

... prophase is a stage of mitosis in which the chromatin ... complex. Since the genetic material ... prophase ( ) n. The first stage of mitosis, during which ... the nuclear membrane breaks down, and the prophase the first stage of meiosis ... diplotene — ...

Prometaphase

... is the phase of mitosis following prophase and preceding metaphase, in eukaryotic somatic ... ) Mitosis can be divided into five phases. In prophase the mitotic spindle forms and the chromosomes ... the disruption of the nuclear ... A summary of prophase and Prometaphase in 's Mitosis. ......

Leptotene

... having leptotene the first stage of the prophase of meiosis ... is a Kind of: leptotene . Top. ...... is a Part of: leptotene . Top. is a part of: prophase ... Leptotene - Definition of Leptotene ... relating toor being the leptotene of meiotic prophase ... Information about leptotene in the free ...

Interkinesis

... I and interkinesis , going immediately into prophase II. Each chromosome is still composed of two ... visible, is called interkinesis . ... During prophase I, the chromosomes condense (coil and thicken) and ... Interkinesis . prophase II. Metaphase II. Anaphase II. Telophase II. ...

Diakinesis

... n. , pl. -ses . The final stage of the prophase in meiosis, characterized by shortening and ... diakinesis the final stage of the prophase of meiosis ... diakinesis . Meiosis -kinesis. ... and ... diakinesis . the final stage of prophase prior to the dissolution of the nuclear ... .....

Telophase

... meiosis or mitosis in an eukaryotic cell reversing the effects of prophase and prometaphase events. Not-for-profit helping small municipalities ... dictionary. ... decondense their chromosomes from telophase I to prophase II, ... Interphase, Prophase, Metaphase, Anaphase, Telophase . ...

Synapsis

... It is a form of chromosomal crossover. Synapsis takes place during prophase I. When homologous chromosomes synapse, they come closer together until ... of homologous paternal and maternal chromosomes during the first prophase of meiosis Explore your subconscious in this mysterious and superb ...

Metaphase

... when compared to ... The prometaphase provides a transition from prophase to metaphase . ... In Metaphase the kinetochores that are responsible ... most ... ... Eukaryotes. Nuclear Division. Metaphase . the events ... prophase - Metaphase ... At the end of metaphase , all the kinetochores are ...

Diplotene

... ( ′diplō′tēn ) ( cell and molecular biology ) The stage of meiotic prophase during which pairs of nonsister chromatids of each bivalent Zoology ... online English dictionary and ... diplotene - the fourth stage of the prophase of meiosis ... During the diplotene stage, also known as ...

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