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प्रश्न
Which of the following bases is not present in DNA?
पर्याय
Adenine
Thymine
Cytosine
Uracil
उत्तर
Uracil
Explanation:
Uracil is rarely found in DNA, which could be an evolutionary adaptation to increase genetic stability. This is due to the fact that cytosine can deaminate spontaneously to produce uracil via hydrolytic deamination.
Chemical formula: C4H4N2O2
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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?
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?
Write the important structural differences between DNA and RNA.
Which of the following statements is not true about RNA?
Give a reason for the following observations:
The two strands in DNA are complementary to each other.
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
