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प्रश्न
Give a reason for the following observations:
The two strands in DNA are complementary to each other.
उत्तर
Because hydrogen bonds occur between certain pairs of bases, the two strands of DNA are complementary to each other. Adenine and thymine form hydrogen bonds, but cytosine and guanine form hydrogen bonds.
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संबंधित प्रश्न
Write the structure of a nucleoside
Which of the following NOT present in DNA?
(a) adenine
(b) Guanine
(c) Thymine
(d) Uracil
Write the structure of a nucleotide
What are three types of RNA molecules which perform different functions?
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?
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at ____________.
Which base is present in RNA, but not in DNA?
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?
