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As normal cells divide, the ends of their chromosomes (telomeres) progressively shorten until eventually the cells reach senescence or undergo apoptosis. Cancers, which disproportionally kill more individuals in the 65 years or above age group, often o...
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TWEET IT - http://clicktotweet.com/JVi57 Why do we age, from a biological perspective? Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz). TWITTER: http://www.twitter.com/AsapSCIENCE FACEBOOK: ...
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20/20 video clip explaining how telomeres may be the key to aging. Progeria is also briefly discussed.
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Learn about how telomeres are used to determine biological age.
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Review of structure, synthesis, and function of DNA telomeres
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Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes...
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Presented by Jack Szostak, MGH molecular biologist and 2009 Nobel Laureate in Physiology or Medicine on Tuesday, October 14, 2014. This lecture is part of a lecture series presented by the The Paul S. Russell, MD Museum of Medical History at Massachuse...
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http://www.ibiology.org/ibioseminars/genetics-gene-regulation/elizabeth-blackburn-part-2.html Telomerase, a specialized ribonucleprotein reverse transcriptase, is important for long-term eukaryotic cell proliferation and genomic stability, because it r...
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BIR plays a role in telomere maintenance in the absence of telomerase activity.
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Can cells just divide and divide forever? Not if telomeres can help it! Find out more in this video. Head on over to khanacademy.org or the khanacademymedicine YouTube channel to see some really informative videos!