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प्रश्न
(a) Identify the polarity of x to x’ in the diagram below and mention how many more amino acids are expected to be added to this polypeptide chain.
(b) Mention the codon and anticodon for alanine.
(c) Why are some untranslated sequences of bases seen in mRNA coding for a polypeptide? Where exactly are they present on mRNA?
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उत्तर
(a) x to x’ is `5"’"→ 3"’"`
No more amino acids will be added.
(b) GCA Anticodon is CGU.
(c) The untranslated regions are required for an efficient translation process. They are present before the initiation codon at the 5’ – end and after the stop/termination codon, at the 3’ – end.
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संबंधित प्रश्न
Briefly describe the following:
Translation
Ribosomes are composed of two subunits; the smaller subunit of a ribosome has a binding site for _________ and the larger subunit has two binding sites for two __________.
The three codons which result in the termination of polypeptide chain synthesis are ______.
Which of the following is true with respect to AUG?
Explain the process of aminoacylation of tRNA and its role in the process of translation.
Where are the untranslated regions located on mRNA and why?
Codon on mRNA and anticodon on tRNA are ______.
Which of the following is the start codon in translation?
During the elongation stage of translation, what ensures that the correct amino acid is placed in the sequence?
Which site on the ribosome holds the peptidyl-tRNA during translation?
