Advertisements
Advertisements
Question
During in vitro synthesis of DNA, a researcher used 2’, 3’ – dideoxy cytidine triphosphate as raw nucleotide in place of 2’-deoxy cytidine. What would be the consequence?
Advertisements
Solution
Further polymerisation would not occur, as the 3’ OH on sugar is not there to add a new nucleotide for forming ester bond.
APPEARS IN
RELATED QUESTIONS
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
If a double stranded DNA has 20 per cent of cytosine, calculate the per cent of adenine in the DNA.
Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.
If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it?
In some viruses, RNA is present instead of DNA indicating that ______.
In a DNA strand the nucleotides are linked together by ______.
A nucleoside differs from a nucleotide. It lacks the ______.
Both deoxyribose and ribose belong to a class of sugars called ______.
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?
Protein helping in opening of DNA double helix in front of replications fork is ______.
How far is each base pair from the next one in DNA double helix model?
Synthesis of DNA from RNA is explained by ______.
H-bonds between Cytosine and Guanine are ______.

Which of the following is a structural subunit of DNA?
In the polynucleotide chain of DNA, a nitrogenous base is linked to the -OH of ______
Which of the following is a purine?
Retroviruses do not follow central Dogma. Comment.
What is the smallest part of a DNA molecule that can be changed by a point mutation?
