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प्रश्न
Give an example of a codon having dual function.
उत्तर
AUG performs a dual function. It codes for methionine (Met) and works as an initiator codon.
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संबंधित प्रश्न
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: CGA
Frame shift mutation occurs when ______.
Because most of the amino acids are represented by more than one codon, the genetic code is ______.
The number of base substitution possible in amino acid codons is ______.
The change of the light coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonarid) is due to ______.
H. J. Muller was awarded Nobel Prize for his ______.
The mutations that involve addition, deletion or substitution of a single pair in a gene are referred to as ______.
Sickle cell anemia results from a single base substitution in a gene, thus it is an example of ______.
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 |
Which of the following organ is essential for photorespiration?
Percentage of mitochondrial DNA in the cell is:
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?
Which amino acid is determined by four genetic codes?
Frame shift mutations are caused by ______.
Statement I: The codon ‘AUG’ codes for methionine and phenylalanine.
Statement II: ‘AAA’ and ‘AAG’ both codons code for the amino acid lysine.
In the light of the above statements, choose the correct answer from the options given below.
Which of the following statements is the most appropriate for sickle cell anaemia?
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.
Discuss the process of translation in detail.
