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Quote by Lebo Grand

“If true ‘fun’ taps into what makes us human, then true 'sensuality' taps into what makes us gods.”

Quote by Lebo Grand

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Lebo Grand

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“They also knew that there was a string of DNA at the end of each chromosome called a telomere, which shortened a tiny bit each time a cell divided, like time ticking off a clock. As normal cells go through life, their telomeres shorten with each division until they’re almost gone. Then they stop dividing and begin to die. This process correlates with the age of a person: the older we are, the shorter our telomeres, and the fewer times our cells have left to divide before they die. By the early nineties, a scientist at Yale had used HeLa to discover that human cancer cells contain an enzyme called telomerase that rebuilds their telomeres. The presence of telomerase meant cells could keep regenerating their telomeres indefinitely. This explained the mechanics of HeLa’s immortality: telomerase constantly rewound the ticking clock at the end of Henrietta’s chromosomes so they never grew old and never died.”

AgeCancerDnaHelaHenrietta LacksEnzymeCell DivisionHayflick LimitLeonard HayflickTelomeraseTelomere
Book:The Immortal Life of Henrietta Lacks
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