telomere |
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| navigate by keyword : aging apoptosis biochemistry biology biotech biotechnology cancer cell centromere chromatid chromatin chromosome chromosomes cycle damage death diagram discovery divide dna double enzyme gene genes genetic genetics genome guanine health healthcare helix human illustration medical medicine membrane mitochondria mitosis molecule potassium protein repeat research science strand structure telomer telomerase telomere telomeres telomeric vector |
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| A telomere is a repeating sequence of double-stranded DNA located at the ends of chromosomes. Each time a cell divides, the telomeres become shorter. Eventually, the telomeres become so short that the cell can no longer divide. |
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