<prompt> Enzyme which prevents agingsenescence is:DNA PolymeraseCatalaseTelomerasePeroxidase  <response>: Teloemrase prevents ageing. Telomerase RNA dependent DNA polymerase Reverse transcriptase Absent in somatic cells Not a ribozyme It is a ribonucleoprotein RNA proteinact as enzyme. Increases longevity of cells Prevents telomere shoening prevents ageing or senescence Activity of enzyme decreased in ageing increased in cancer Premature ageing Progeria occurs if telomerase decreases 