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Telomerase is an enzyme which is a:

1. simple protein
2. RNA
3. ribonucleoprotein
4. repetitive DNA

Correct answer: ribonucleoprotein

Solution

Telomerase is not just a protein or just RNA; it is a complex made of protein and RNA. The RNA serves as a template for adding telomeric repeats, so the enzyme is classified as a ribonucleoprotein.

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