Question

Telomerase is an enzyme which is a –
(a) RNA
(b) ribonucleoprotein
(c) DNA
(d) simple protein

Answer 1

Answer:

Telomerase is an enzyme which is a –

(a) RNA

(b) ribonucleoprotein✔✔

(c) DNA

(d) simple protein

Answer 2

Telomerase is an enzyme which is a ribonucleoprotein.

Option (b).

Explanation:

• Telomerase is a ribonucleoprotein which determines the length of telomere in aging cells.

• It is also called as terminal transferase that adds specific telomere repeat sequence to 3' end of telomeres.

• Telomere is a part of chromosome structure.

• It is present at the end of eukaryotic chromosomes which determines the length of telomere in  aging cells.

• Telomere is made of repeated DNA segments that contains  sequence 5′-TTAGGG-3′ .

• It prevents the joining of chromosomes ends and make chromosome ends to attach to nuclear envelope.

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