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प्रश्न
DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
विकल्प
Adenine
Uracil
Thymine
Cytosine
उत्तर
Thymine
Explanation:
DNA contains four bases adenine, guanine, thymine and cytosine. While RNA contains four bases adenine, uracil, guanine and cytosine. Thus, RNA does not contain thymine.
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संबंधित प्रश्न
Write the structure of a nucleoside
Write the structure of a nucleotide
What are three types of RNA molecules which perform different functions?
What are nucleic acids?
Name the base that is found in nucleotide of RNA only.
Name the purine bases and pyrimidine bases present in RNA and DNA.
The presence or absence of hydroxyl group on which carbon atom of sugar differentiates RNA and DNA?
Which of the following contributes to the double helical structure of DNA?
Write two differences between DNA and RNA.
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.
