2012年3月2日星期五

SocialPipeline 03/03/2012 (a.m.)

  • tags: Brain memory

    • Each time an animal cell divides, the protective telomere “cap” gets shorter. When they get too short, the cell loses its ability to renew and divide. In an immortal animal, we would therefore expect cells to be able to maintain telomere length indefinitely so that they can continue to replicate. Aboobaker predicted that planarian worms actively maintain the ends of their chromosomes in adult stem cells, leading to theoretical immortality.

Posted from Diigo. The rest of my favorite links are here.

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