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Nucleic acids are present in the nuclei of all living cells. DNA analysis is vital in crime scene…
Nucleic acids are present in the nuclei of all living cells. DNA analysis is vital in crime scene situations. RNA is essential for most biological functions. In modern world the knowledge of RNA and DNA is vital for us.
(a)[1.0]
Which nitrogenous bases constitute RNA and DNA?
(b)[1.0]
Identify pyrimidine and purine from (a) part answer.
(c)[1.0]
What are the structural differences in RNA and DNA?
Answer
Answer (a)
Official answer keyRNA - A, G, C, U
DNA - A, G, C, T
Answer (b)
Official answer keyPurines - A and G
Pyrimidine - T, C, U
Answer (c)
Official answer keyDNA - double stranded alpha-helix
RNA - single stranded alpha helix
From ISC 2025 Practice Chemistry, question 91.