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प्रश्न
Explain the process of binding of ribosomal units to mRNA during protein synthesis.
उत्तर
At the beginning of translation, mRNA binds to a small, unique ribosomal subunit. The initial tRNA and the mRNA are surrounded by the ribosome. Methionine, an amino acid that matches the AUG start codon, makes up the majority of this tRNA's transport. This configuration is known as the initiating complex. It is necessary before the translation can start. The amino acid chain then extends through a process known as elongation. The particular acid that matches each codon in the growing protein is added after each codon in the mRNA is read one at a time. Termination is the process of releasing the finished polypeptide chain.
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संबंधित प्रश्न
If the codon on m-RNA is AUG, the compatible anticodon on t-RNA is _______.
Very Short Answer Question:
What is degeneracy of genetic code?
What will be the codon sequence on mRNA formed on template strand if the codon sequence on coding strand of transcription unit is ATG GTG AGC TAC GCG?
Study the following sentences and select the correct option.
- Addition of one or two bases changes the combination of sequence in codons.
- Addition or deletion of single nucleotide changes the reading frame.
- The reading frame beyond the point of insertion of three bases remains unaltered.
In processing of eukaryotic hnRNA, during protein synthesis what does the tailing of RNA involve?
______ does not play any role in termination and release of a polypeptide chain.
Identify the Central Dogma in molecular biology.
Select the INCORRECT statement - ______
Initiation of polypeptide chain in protein synthesis is induced by:
Given below is a stretch of DNA showing the coding strand of a structural gene of a transcription unit?
5’-ATG ACC GTA TTT TCT GTA GTG CCC GTA CTT CAG GCA TAA-3’
- Write the corresponding template strand and the mRNA strand that will be transcribed, along with its polarity.
- If GUA of the transcribed mRNA is an intron, depict the sequence involved in the formation of mRNA/the mature processed hnRNA strand.
i. In a bacterium
ii. In humans - Upon translation, how many amino acids will the resulting polypeptide have? Justify.
