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प्रश्न
What are the functions of poly-A “tail” in a mature on RNA?
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उत्तर
Poly– A tail provides longevity to mRNA’s life. Tail length and longevity of mRNA are positively correlated.
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संबंधित प्रश्न
Answer the following question.
Construct and label a transcription unit from which the RNA segment given below has been transcribed. Write the complete name of the enzyme that transcribed this RNA.

With regard to mature mRNA in eukaryotes.
If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of tRNA pairing with it must be ______.
To initiate translation, the mRNA first binds to ______.
In eukaryotes, the process of processing of primary transcript involves ______.
The most abundant type of RNA in the cell is ______.
The most likely method, used to determine the structural details of the cell organelle is ______.
Which of the following pair lack the unit membrane?
Sigma factor is a component of ______.
A ribozyme is an:
The exon part of mRNA has code for ______
Refer the given diagram. What does it represent?

Identify the correct statement.
Which is the “Only enzyme” that has “Capability” to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?
Identify the correct statement.
Observe the segment of mRNA given below.

(a) Explain and illustrate the steps involved to make fully processed hnRNA?
(b) Gene encoding RNA Polymerase I and III have been affected by mutation in a cell. Explain its impact on the synthesis of a polypeptide, stating the reasons.
- Assertion: Ribosomal RNA is synthesized in the nucleus of the cell.
- Reason: It is translated with the enzyme RNA polymerase III.
Given below are two statements:
Statement I: Transfer RNAs and ribosomal RNA do not interact with mRNA.
Statement II: RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence.
In the light of the above statements, choose the most appropriate answer from the options given below:
