Assertion: telomerase | /r/HasProperty | greider
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Source sentences:
text: Telomeres, nucleoprotein structures that form and protect the ends of chromosomes, have been the subject of intense studies for about three decades, starting with a description of the telomere DNA component (Blackburn and Gall, 1978 ) and the most common system of telomere maintenance by the ribonucleoprotein complex of telomerase (Greider and Blackburn, 1985 , 1989 ).