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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
उत्तर
Remove/Replace 3' OH group in deoxy ribose
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संबंधित प्रश्न
Write the contributions of the following scientists in deciphering the genetic code.
George Gamow; Hargobind Khorana; Marshall Nirenberg; Severo Ochoa
Answer the following question.
State the importance of a Genetic code in protein biosynthesis.
Differentiate between the genetic codes given below:
Unambiguous and Universal
Differentiate between the genetic codes given below:
Degenerate and Initiator
Give reasons: Genetic code is ‘universal’.
Name the anticodon required to recognize the following codon: AAU.
Name the anticodon required to recognize the following codon: UAU
Name the anticodon required to recognize the following codon: GCA.
Genetic code is ______.
Amino acids which are specified by single codons are ______.
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 ______.
If the sequence of bases in coding strand of DNA is ATTCGATG, then the sequence of bases in mRNA will be ______.
Which of the following organ is essential for photorespiration?
Phenylalanine is a ______.
George Gamow suggested that each codon coding for an amino acid consists of ______
Genetic code is universal, it means ______
Which amino acid is determined by four genetic codes?
Statement I:
The codon ‘AUG’ codes for methionine and phenylalanine.
Statement II:
‘AAA’ and ‘AAG’ are both codons that code for the amino acid lysine.
In 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?
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.
