What is the primary function of telomerase?
Replenishing telomeres
Breaking down RNA
Synthesizing proteins
Repairing DNA
Answer
Replenishing telomeres is the primary function of telomerase, an enzyme that adds nucleotide repeats to the ends of chromosomes. Telomeres are protective caps on chromosomes that shorten with each cell division, eventually leading to cellular senescence or apoptosis. Telomerase counteracts this shortening by adding DNA sequences to telomeres, allowing cells to divide more times and potentially extending their lifespan.
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