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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 ______.
During translation, activated amino acids get linked to tRNA. This process is commonly called as ______.
In an mRNA molecule, untranslated regions (UTRs) are present at ______.
Regulation of gene expression occurs at the level of ______.
Which cellular process is shown below?
The process of translation is ______.
Codon on mRNA and anticodon on tRNA are ______.
How many different proteins does the ribosome consist of?
