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telomerase

Pronunciation: tel-o'me-ras

Definition: A reverse transcriptase comprising an RNA template, which acts as a die for the TTAGGG sequence, and a catalytic protein component that is not found in normal, aging somatic cells. Telomerase mediates the repair or preservation of telomere regions (terminal sequences) of chromosomes.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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