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प्रश्न
Give a reason for the following observations:
The two strands in DNA are complementary to each other.
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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
Write the structure of a nucleotide
What are three types of RNA molecules which perform different functions?
Which one of them is not a protein?
Which of the following bases is not present in DNA?
Write two differences between DNA and RNA.
Mention two important functions of nucleic acids.
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.
State the functions of RNA and DNA.
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
