The ends of the chromosome lost with repeating cell replications that are thought to underlie the aging process are called the:

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The ends of the chromosome lost with repeating cell replications that are thought to lead to the aging process are called telomeres. Over time, as cells replicate, these telomeres become shorter and can no longer protect the chromosome. This can lead to cellular damage and DNA mutations, ultimately contributing to the aging process. Cross-links and mutations are other types of cellular damage that can contribute to aging, but they are not specifically related to the loss of chromosome ends. Mitochondria are cellular structures responsible for energy production and are not directly associated with the aging process.

The Ends of the Chromosome Lost with Repeating Cell Replications