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प्रश्न
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?
पर्याय
Remove/Replace 3' OH group in deoxy ribose
Remove/Replace 2' OH group with some other group in deoxy ribose
Both ‘B’ and ‘C’
Replace purine with pyrimidines
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उत्तर
Remove/Replace 3' OH group in deoxy ribose
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संबंधित प्रश्न
Differentiate between the genetic codes given below:
Unambiguous and Universal
Differentiate between the genetic codes given below:
Degenerate and Initiator
The first codon to be deciphered was ______ which codes for ______.
Give reasons:
Genetic code is ‘universal’.
Name the anticodon required to recognize the following codon: AAU.
Frame shift mutation occurs when ______.
Khorana first deciphered the triplet codons of ______.
Because most of the amino acids are represented by more than one codon, the genetic code is ______.
Which out of the following statements is incorrect?
Some amino acids are coded by more than one codon, hence the genetic code is ______.
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 |
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.
All the 64 codons in the dictionary of genetic code were deciphered by ______.
According to George Gamow's proposal from 1954, why is the genetic code a triplet code?
Which of the following statements about stop codons is correct?
What is the start codon and which amino acid does it code for?
Which of the following sets of codons all code for the same amino acid, demonstrating degeneracy?
