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प्रश्न
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?
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उत्तर
Further polymerisation would not occur, as the 3’ OH on sugar is not there to add a new nucleotide for forming ester bond.
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संबंधित प्रश्न
Both deoxyribose and ribose belong to a class of sugars called ______.
How far is each base pair from the next one in DNA double helix model?
Synthesis of DNA from RNA is explained by ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Which ratio is constant for DNA?
A short piece of DNA, having 20 base pairs, was analyzed to find the number of nucleotide bases in each of the polynucleotide strands. Some of the results are shown in the table.
| Number of nucleotide bases | ||||
| Adenine | Cytosine | Guanine | Thymine | |
| Strand 1 | 4 | 4 | ||
| Strand 2 | 5 | |||
How many nucleotides containing Adenine were present in strand 2?
A nucleotide is the monomer unit of a nucleic acid. Which of the following correctly identifies the three components of a nucleotide?
The phosphate group in a nucleotide is attached to which carbon of the pentose sugar?
The 3′ end of a polynucleotide chain is characterized by the presence of:
In a DNA double helix, where are the nitrogenous bases located?
Why is the name 'deoxyribonucleic acid' appropriate for DNA?
Which end of a polynucleotide chain contains a free phosphate group?
What is the significance of the 2′-OH group in ribose compared to deoxyribose?
Why is the name 'deoxyribonucleic acid' appropriate for DNA?
Pyrimidines differ from purines in their basic structural feature. Which statement is correct?
