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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
Explain the process of transcription in Eukaryotes.
Explain the process of making heterogeneous nuclear RNA (hnRNA) into a fully functional mRNA in eukaryotes. Where does this process occur in the cell?
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.
Methyl guanosine triphosphate is added at 5' end of hn-RNA in a process of ______.
On the ribosome, mRNA binds ______ and two sites in the ______ for subsequent amino acids to bind to be close enough to each other for the formation of a peptide bond.
A special feature of viruses is that they:
Which of the following pair lack the unit membrane?
Sigma factor is a component of ______.
Refer the given diagram. What does it represent?
Identify the correct statement.
Identify the correct statement.
What are the functions of methylated guanasine cap?
Give an account of post transcriptional modifications of a eukaryotic mRNA.
- 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:
In which direction does RNA polymerase move along the template strand during bacterial transcription elongation?
Which of the following are the substrates used during RNA elongation in bacterial transcription?
During bacterial transcription elongation, what happens to the two DNA strands as RNA polymerase moves forward?
At which step of bacterial transcription does the sigma (σ) factor dissociate from the RNA polymerase?
Between rho-independent and rho-dependent termination, which mechanism is also known as intrinsic termination?
