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Which of the following statements are true about poly A tail?

I. It contains the Poly-A-polymerase enzyme

II. It makes RNA unstable

III. It allows mRNA to degradation

IV. Present in prokaryotes

Option: 1

I and II


Option: 2

II and III


Option: 3

I and III


Option: 4

II and IV


Answers (1)

best_answer

The Poly-A- tail is present in the eukaryotic cells and adds "A" at the end of mRNA. The enzyme adds the poly-A tail residue called Poly-A-polymerase. The poly-A-tail Prevents mRNA from degradation and makes RNA stable. Hence, option 3 is the correct answer.

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Gunjita

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