The number of telomeres remaining in a 70-year-old is considerably lower than the number found in a 5-year-old.

Question

Quizplus · Accepted Answer

Telomeres are repetitive sequences of DNA that protect the ends of chromosomes, and they naturally shorten as cells divide. Over time, this shortening can lead to cellular senescence and aging. Therefore, it is expected that a 70-year-old would have fewer telomeres remaining than a 5-year-old.

The Number of Telomeres Remaining in a 70-Year-Old Is Considerably