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प्रश्न
Write the structure of a nucleoside
उत्तर
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संबंधित प्रश्न
Which of the following NOT present in DNA?
(a) adenine
(b) Guanine
(c) Thymine
(d) Uracil
Write the structure of a nucleotide
What type of linkage is present in nucleic acids?
Give balanced equations for the following reactions:
Name the nitrogen base residues present in DNA
Name the base that is found in nucleotide of RNA only.
Name the purine bases and pyrimidine bases present in RNA and DNA.
Which one of them is not a protein?
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at ____________.
Which base is present in RNA, but not in DNA?
Nucleic acids are the polymers of ______.
DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
Write the structures of fragments produced on complete hydrolysis of DNA. How are they linked in DNA molecule? Draw a diagram to show pairing of nucleotide bases in double helix of DNA.
Which of the following is not a protein?
Purine derivative among the following bases is ______.
Which of the following contributes to the double helical structure of DNA?
Write the important structural differences between DNA and RNA.
Which of the following statements is not true about RNA?
Write two differences between DNA and RNA.
Give a reason for the following observations:
The two strands in DNA are complementary to each other.
Assertion (A): The backbone of DNA and RNA molecules is a chain consisting of heterocyclic base, pentose sugar and phosphate group.
Reason (R): Nucleotides and nucleosides mainly differ from each other in the presence of phosphate group.
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
