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An enzyme that is found in the telomeres of chromosomes in germ cells, stem cells, and most cancer cells and that preserves the length of telomeres across cell divisions.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biochemistry) an enzyme that is involved in the formation and repair of telomeres, so that chromosomes are not shortened during cell division
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
te•lom•er•ase(təˈlɒm əˌreɪs, -ˌreɪz)
an enzyme, active chiefly in tumors and reproductive cells, that causes telomeres to lengthen: facilitates cell division and may account for the immortality of cancer cells.
[telomere + -ase]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||telomerase - an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide|
enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
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