Advertisements
Advertisements
Question
Give an example of a codon having a dual function.
Advertisements
Solution
AUG performs a dual function. It codes for methionine (Met) and works as an initiator codon.
RELATED QUESTIONS
Differentiate between the genetic codes given below:
Degenerate and Initiator
Name the anticodon required to recognize the following codon: AAU.
DNA is a polymer of nucleotides which are linked to each other by 3’-5’ phosphodiester bond. To prevent polymerisation of nucleotides, which of the following modifications would you choose?
Genetic code is ______.
Khorana first deciphered the triplet codons of ______.
Which out of the following statements is incorrect?
Some amino acids are coded by more than one codon, hence the genetic code is ______.
Sickle cell anemia results from a single base substitution in a gene, thus it is an example of ______.
Select the incorrectly matched pair.
If the sequence of bases in coding strand of DNA is ATTCGATG, then the sequence of bases in mRNA will be ______.
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 |
Percentage of mitochondrial DNA in the cell is:
Methionine carrying tRNA has anticodon:
Genetic code was discovered by:
A single base mutation in a gene may not ‘always’ result in loss or gain of function. Do you think the statement is correct? Defend your answer.
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.
Who proposed that the genetic code for amino acids should be made up of three nucleotides?
