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  2. Spindle checkpoint - Wikipedia

    en.wikipedia.org/wiki/Spindle_checkpoint

    The spindle checkpoint, also known as the metaphase-to-anaphase transition, the spindle assembly checkpoint (SAC), the metaphase checkpoint, or the mitotic checkpoint, is a cell cycle checkpoint during metaphase of mitosis or meiosis that prevents the separation of the duplicated chromosomes until each chromosome is properly attached to the ...

  3. Meiotic recombination checkpoint - Wikipedia

    en.wikipedia.org/wiki/Meiotic_recombination...

    Meiotic recombination may begin with a double-strand break, either induced by Spo11 [2] or by other endogenous or exogenous causes of DNA damage. These DNA breaks must be repaired before metaphase I. and these DSBs must be repaired before metaphase I. The cell monitor these DSBs via ATM pathway, in which Cdc25 is suppressed when DSB lesion is ...

  4. Cell cycle checkpoint - Wikipedia

    en.wikipedia.org/wiki/Cell_cycle_checkpoint

    The G 2-M checkpoint occurs between the G 2 and M phases. The spindle checkpoint occurs during the M phase. Key cyclins associated with each phase are shown. Cell cycle checkpoints are control mechanisms in the eukaryotic cell cycle which ensure its proper progression.

  5. Spindle apparatus - Wikipedia

    en.wikipedia.org/wiki/Spindle_apparatus

    Micrograph showing condensed chromosomes in blue, kinetochores in pink, and microtubules in green during metaphase of mitosis. In cell biology, the spindle apparatus is the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells.

  6. Kinetochore - Wikipedia

    en.wikipedia.org/wiki/Kinetochore

    The spindle checkpoint, or SAC (for spindle assembly checkpoint), also known as the mitotic checkpoint, is a cellular mechanism responsible for detection of: correct assembly of the mitotic spindle; attachment of all chromosomes to the mitotic spindle in a bipolar manner; congression of all chromosomes at the metaphase plate.

  7. College Football Playoff rankings: Oregon, Ohio State and ...

    www.aol.com/sports/oregon-ohio-state-georgia...

    Ohio State is at No. 2 as its only loss came at Oregon in a 32-31 thriller. It's very possible the Ducks and Buckeyes could meet again in the Big Ten championship game, but Indiana will have a say ...

  8. Mad2 - Wikipedia

    en.wikipedia.org/wiki/MAD2

    The spindle checkpoint system is a regulatory system that restrains progression through the metaphase-to-anaphase transition. The Mad2 gene was first identified in the yeast S. cerevisiae in a screen for genes which when mutated would confer sensitivity to microtubule poisons. [ 1 ]

  9. Qualcomm chip sales to Chinese smartphone makers fuel strong ...

    www.aol.com/news/qualcomm-forecasts-sales...

    For the fiscal fourth quarter ended Sept. 29, Qualcomm said sales and adjusted profits were $10.24 billion and $2.69 per share, beating analyst expectations of $9.91 billion and $2.56 per share.

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