Advertisements
Advertisements
प्रश्न
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
Advertisements
उत्तर
Nitrogenous bases: Adenine, Thymine, Uracil and Cytosine.
Nucleosides: Cytidine and Guanosine.
APPEARS IN
संबंधित प्रश्न
One turn of DNA possesses ______.
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 ______.
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?
What is the nature of the strands of the DNA duplex?
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?
DNA is made of two chains that twist about one another in the shape of a ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
In the polynucleotide chain of DNA, a nitrogenous base is linked to the -OH of ______
Retroviruses do not follow central Dogma. Comment.
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?
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?
What is the smallest part of a DNA molecule that can be changed by a point mutation?
Which of the following nitrogenous bases is classified as a purine with a double-ring structure?
What structural difference exists between the pentose sugar found in DNA and the pentose sugar found in RNA?
In a DNA double helix, where are the nitrogenous bases located?
A nucleotide is the monomer unit of a nucleic acid. Which of the following correctly identifies the three components of a nucleotide?
What structural difference exists between the pentose sugar found in DNA and the pentose sugar found in RNA?
The phosphate group in a nucleotide is attached to which carbon of the pentose sugar?
What type of bond connects a nitrogenous base to the pentose sugar in a nucleotide?
The 3′ end of a polynucleotide chain is characterized by the presence of:
In a DNA double helix, what is the spatial relationship between the two polynucleotide strands?
A dinucleotide is formed by linking two nucleotides together. The bond formed between them is:
Pyrimidines differ from purines in their basic structural feature. Which statement is correct?
