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  4. Telomerase is an enzyme, which is a

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Q. Telomerase is an enzyme, which is a

Uttarkhand PMTUttarkhand PMT 2010

Solution:

Ends of an eukaryotic chromosome are known as telomeres. These are very necessary for the integrity of chromosomes. Telomeres are characterised by repeated DNA sequences ($2-10$ bp long). This feature is common to all chromosomes of a species and is conserved. Telomerase, which is a special ribonucleoprotein molecule (enzymatic in nature) is responsible for the synthesis of these telomeres.