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प्रश्न
DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
पर्याय
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
Which of the following NOT present in DNA?
(a) adenine
(b) Guanine
(c) Thymine
(d) Uracil
What are three types of RNA molecules which perform different functions?
Draw the structures of adenine.
Name the purine bases and pyrimidine bases present in RNA and DNA.
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at ____________.
Nucleic acids are the polymers of ______.
Purine derivative among the following bases is ______.
Which of the following contributes to the double helical structure of DNA?
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.
