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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 translation termination triplet is ______.
During translation, activated amino acids get linked to tRNA. This process is commonly called as ______.
Which of the following life processes is evolved around RNA?
In an mRNA molecule, untranslated regions (UTRs) are present at ______.
Which of the following are correct statements for a tRNA molecule?
- It is an adapter molecule.
- Previously called sRNA (soluble RNA)
- tRNA has a codon loop that has bases complementary to the code,
- it also has an amino acid accepter end to which it binds to amino acids.
- It is non-specific for each amino acid.
Aminoacylation of tRNA also known as ______.
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.
