tokens: The telomerase RNA protein complex responsible for maintenance of telomeric DNA at chromosome ends , is usually inactive in most primary somatic human cells , but is specifically activated with in vitro immortalization and during tumorigenesis .
folded_tokens: the telomerase rna protein complex responsible for maintenance of telomeric dna at chromosome end , be usually inactive in most primary somatic human cell , but be specifically activate with in vitro immortalization and during tumorigenesis .