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प्रश्न
Give an example of a codon having a dual function.
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उत्तर
AUG performs a dual function. It codes for methionine (Met) and works as an initiator codon.
संबंधित प्रश्न
Write the contributions of the following scientists in deciphering the genetic code.
George Gamow; Hargobind Khorana; Marshall Nirenberg; Severo Ochoa
Differentiate between the genetic codes given below:
Unambiguous and Universal
Give reasons:
Genetic code is ‘universal’.
Name the anticodon required to recognize the following codon: GCA.
Genetic code is ______.
Frame shift mutation occurs when ______.
Khorana first deciphered the triplet codons of ______.
Out of A=T, G =C pairing, bases of DNA may exist in alternate valency state owing to arrangement called ______.
Sickle cell anemia results from a single base substitution in a gene, thus it is an example of ______.
Select the incorrectly matched pair.
AUG on the mRNA will result in the activation of which of the following RNA having the correct combination of amino acids:
| Site A | Site B | |
| A. | UAC | Methionine |
| B. | Methionine | UAC |
| C. | Methionine | AUG |
| D. | AUG | Methionine |
Phenylalanine is a ______.
Methionine carrying tRNA has anticodon:
Genetic code was discovered by:
What would happen if in a gene encoding a polypeptide of so amino acid 25th (UAC) is match to UAA?
George Gamow suggested that each codon coding for an amino acid consists of ______
Based on your understanding of genetic code, explain the formation of any abnormal hemoglobin molecule. What are the known consequences of such a change?
There is only one possible sequence of amino acids when deduced from a given nucleotides. But multiple nucleotides sequence can be deduced from a single amino acid sequence. Explain this phenomena.
Who proposed that the genetic code for amino acids should be made up of three nucleotides?
All the 64 codons in the dictionary of genetic code were deciphered by ______.
