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प्रश्न
What are the functions of methylated guanasine cap?
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उत्तर
Methylated Guanine cap helps in binding of mRNA to smaller ribosomal sub-unit during initiation of translation.
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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.
Explain the process of transcription in Eukaryotes.
With regard to mature mRNA in eukaryotes.
Regulatory proteins are the accessory proteins that interact with RNA polymerase and affect its role in transcription. Which of the following statements is correct about regulatory protein?
If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of tRNA pairing with it must be ______.
In transcription in eukaryotes, heterogeneous nuclear RNA (hnRNA) is transcribed by ______.
In eukaryotes, the process of processing of primary transcript involves ______.
A special feature of viruses is that they:
Which of the following pair lack the unit membrane?
Sigma factor is a component of ______.
Which enzymes are responsible for the synthesis of tRNA?
Identify the correct statement.
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.
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:
What is the consensus sequence of the –10 region (Pribnow Box) in bacterial promoters?
What is the direction of RNA synthesis during bacterial transcription?
Which mechanism of transcription termination in bacteria does not require a protein factor?
At which step of bacterial transcription does the sigma (σ) factor dissociate from the RNA polymerase?
