Advertisements
Advertisements
प्रश्न
What are the functions of poly-A “tail” in a mature on RNA?
Advertisements
उत्तर
Poly– A tail provides longevity to mRNA’s life. Tail length and longevity of mRNA are positively correlated.
APPEARS IN
संबंधित प्रश्न
Depending upon the chemical nature of the template (DNA or RNA) and the nature of nucleic acids synthesised from it (DNA or RNA), list the types of nucleic acid polymerases.
Differentiate between the following:
mRNA and tRNA
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.
Methyl guanosine triphosphate is added at 5' end of hn-RNA in a process of ______.
The amino acid attaches to the tRNA at its ______.
In eukaryotes, the process of processing of primary transcript involves ______.
The most likely method, used to determine the structural details of the cell organelle is ______.
Which of the following pair lack the unit membrane?
A ribozyme is an:
The exon part of mRNA has code for ______
Refer the given diagram. What does it represent?
Identify the correct statement.
Give an account of post transcriptional modifications of a eukaryotic mRNA.
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.
Streptokinase produced by bacterium Streptococcus is used for ______.
